It will ______ another five to ten yea...

单项选择题

______ at the door before you enter the room, please.

A．Knocking
B．Knock
C．Knocked
D．To knock

单项选择题

It is often ______ that human beings are naturally gifted to speak.

A．said
B．to say
C．saying
D．being said

单项选择题

The number of deaths from heart disease will be reduced greatly if people ______ to eat more fruit and vegetables.

A．have persuaded
B．are persuaded
C．persuade
D．will be persuaded

单项选择题

Most Chinese like tea, but some prefer coffee ______ tea.

A．for
B．with
C．to
D．than

单项选择题

______ a strange plant! I have never seen it before.

A．Which
B．What
C．How
D．Whether

单项选择题

It is the third time that she has won the race, ______ surprised us all.

A．that
B．where
C．which
D．what

单项选择题

I have heard a lot about him ______ I came back from abroad.

A．since
B．until
C．before
D．when

单项选择题

My mother suggests that we ______ eat out for a change this weekend.

A．should
B．must
C．could
D．would

单项选择题

It will ______ another five to ten years before the new medicine can be tested on human beings.

A．cost
B．spend
C．take
D．waste

单项选择题

She believed that Mr. Smith had taken ______ of all the opportunities to get the position.

A．profit
B．benefit
C．interest
D．advantage

单项选择题

Solar energy is a new kind of energy ______ that we can use to replace the traditional energy.

A．root
B．origin
C．source
D．pool

单项选择题

—I am still working on my project.
—Oh, you"ll miss the deadline. Time is ______.

A．running out
B．going out
C．giving out
D．coming out

单项选择题

It doesn"t matter ______ you pay in cash or by credit card in this store.

A．how
B．whether
C．what
D．why

单项选择题

No bank will want ______ interest rates when the prices of goods keep rising.

A．cutting down
B．being cut down
C．to cut down
D．to be cut down

单项选择题

We enjoyed ourselves very much at the party; you ______ with us.

A．should have come
B．must have come
C．must come
D．should come

单项选择题

There was a heavy fog this morning, so none of the planes could ______.

A．get through
B．take off
C．pull out
D．break away

单项选择题

Albert Einstein, a great scientist in the 20th century, once ______ an offer of one thousand dollars a minute to speak on the radio during World War Ⅱ.

A．turned down
B．turned up
C．turned out
D．turned in

单项选择题

My own problems seem insignificant ______ those of others.

A．compared
B．comparing
C．compared with
D．comparing with

单项选择题

Her sister always spends so much ______ her clothes that she can"t manage to live with her salary.

A．for
B．in
C．at
D．on

单项选择题

Have you seen the lion ______ under that big tree

A．lying
B．laying
C．lain
D．lay

单项选择题

You can make your dreams come ______ as long as you work hard at them.

A．actual
B．false
C．true
D．visible

单项选择题

Since five courses are provided, you are free to choose ______ one that suits you best.

A．whatever
B．whichever
C．whenever
D．wherever

单项选择题

The most important is not you do, but you do it.

A．when; how
B．what; what
C．what; how
D．how; what

单项选择题

If you want to pass the exam, you should change your attitude ______ learning.

A．of
B．on
C．in
D．toward

单项选择题

My job as a research assistant is very specialized ______, which demands a lot of academic knowledge.

A．in nature
B．in heart
C．in case
D．in that

单项选择题

If you are interested in this position, you can ______ to our personnel department for an interview.

A．arrange
B．apply
C．appreciate
D．appoint

单项选择题

The ______ between the rich and the poor has been widening.

A．growth
B．fund
C．fashion
D．gap

单项选择题

She tried to explain this program by ______ of sign language.

A．event
B．means
C．route
D．capacity

单项选择题

______ some more time, and I will find a solution to the problem.

A．Giving me
B．Given to me
C．Give me
D．Give to me

单项选择题

Only when he reached the tea-house ______ it was the same place he"d been in last year.

A．he realized
B．he did realize
C．realized he
D．did he realize

单项选择题

I have seldom seen my father ______ pleased with my progress as he is now.

A．so
B．very
C．too
D．rather

单项选择题

There was so much noise that the speaker couldn"t make himself ______.

A．hearing
B．heard
C．being heard
D．to hear

It will ______ another five to ten years before the new medicine can be tested on human beings.

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______ at the door before you enter the room, please.

It is often ______ that human beings are naturally gifted to speak.

The number of deaths from heart disease will be reduced greatly if people ______ to eat more fruit and vegetables.

Most Chinese like tea, but some prefer coffee ______ tea.

______ a strange plant! I have never seen it before.

It is the third time that she has won the race, ______ surprised us all.

I have heard a lot about him ______ I came back from abroad.

My mother suggests that we ______ eat out for a change this weekend.

It will ______ another five to ten years before the new medicine can be tested on human beings.

The two boys had so ______ in common that they soon became good friends.

You and I could hardly work together, ______

It was in New Zealand ______ Elizabeth first met Mr. Morris.

The car ______ on the highway and the driver tried to repair it.

The ______ you study English, the ______ progress you will make.

Since you are a little tired, you had better ______ a rest.

I am looking forward to ______ from you as soon as possible.

What time would it be convenient ______ us to meet again

She believed that Mr. Smith had taken ______ of all the opportunities to get the position.

Solar energy is a new kind of energy ______ that we can use to replace the traditional energy.

—I am still working on my project. —Oh, you"ll miss the deadline. Time is ______.

It doesn"t matter ______ you pay in cash or by credit card in this store.

No bank will want ______ interest rates when the prices of goods keep rising.

We enjoyed ourselves very much at the party; you ______ with us.

There was a heavy fog this morning, so none of the planes could ______.

Albert Einstein, a great scientist in the 20th century, once ______ an offer of one thousand dollars a minute to speak on the radio during World War Ⅱ.

My own problems seem insignificant ______ those of others.

Her sister always spends so much ______ her clothes that she can"t manage to live with her salary.

Have you seen the lion ______ under that big tree

You can make your dreams come ______ as long as you work hard at them.

Since five courses are provided, you are free to choose ______ one that suits you best.

The most important is not ______ you do, but ______ you do it.

If you want to pass the exam, you should change your attitude ______ learning.

My job as a research assistant is very specialized ______, which demands a lot of academic knowledge.

If you are interested in this position, you can ______ to our personnel department for an interview.

The ______ between the rich and the poor has been widening.

She tried to explain this program by ______ of sign language.

______ some more time, and I will find a solution to the problem.

Only when he reached the tea-house ______ it was the same place he"d been in last year.

I have seldom seen my father ______ pleased with my progress as he is now.

There was so much noise that the speaker couldn"t make himself ______.

The you study English, the progress you will make.

—I am still working on my project.
—Oh, you"ll miss the deadline. Time is ______.

The most important is not you do, but you do it.