The meeting has been canceled. Ann ___...

单项选择题The meeting has been canceled. Ann _________ all that work.

A．need to do
B．need have
C．needn't have done
D．needed not to do

1.单项选择题The reason for the traffic accident was _________ one of the drivers had lost control of his car.

A．why
B．when
C．that
D．how

2.单项选择题For the success of the project, the company should _________ the most of the opportunities at hand.

A．obtain
B．grasp
C．catch
D．make

3.单项选择题The discovery of new oil-fields in various parts of the country filled the government with _________ hope.

A．eternal
B．infinite
C．ceaseless
D．everlasting

4.单项选择题We could go to a concert _________ you'd prefer to visit a museum..

A．if
B．because
C．unless
D．since

5.单项选择题_________ is often the case with a new idea, much preliminary activity and optimistic discussion produced no concrete proposals.

A．That
B．It
C．this
D．As

6.单项选择题Your advice would be _________ valuable to him, who is now at a loss as to what to do first.

A．exceedingly
B．excessively
C．extensively
D．exclusively

7.单项选择题The local police are authorized to _________ anyone's movements as they think fit.

A．pause
B．halt
C．repel
D．keep