单项选择题We have had a new computer system()

A.install
B.installed
C.installing
D.to install


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1.单项选择题I never()to bed so late.

A.got used to going
B.used to going
C.got usedto go
D.used going

2.单项选择题We're having some()problems with our new computer.

A.teeth
B.tooth
C.teethe
D.teething

3.单项选择题My()surprise was soon replaced by delight.

A.first
B.starting
C.beginning
D.initial

4.单项选择题What did you type in? The computer screen showed()message.

A.error
B.an error
C.wrong
D.mistaken

5.单项选择题We can't tell you the results until we have looked at()

A.all the datum
B.the all data
C.all the data
D.the all datum

6.单项选择题Please go over to your PC and()

A.boot it up
B.boot up it
C.boot up
D.boot

7.单项选择题He has()for music.

A.an intelligence
B.an talent
C.a creativity
D.a mind

8.单项选择题He was a young sailor on his first sea()

A.journey
B.trip
C.travel
D.voyage

9.单项选择题He likes to()stamps as his hobby.

A.collect
B.raise
C.gather
D.pick

10.单项选择题He has()come back from my holiday.

A.simply
B.only
C.just
D.even