_______ the students attend the meeting.

[　　]

A．An amount of

B．A good many

C．A good many of

D．Much of

Better weather is ________. We can expect an outing.

[　　]

This kind of material can be used to ________ plastics.

[　　]

A．take the place of

B．take place of

C．taking place

D．take place

It ________. Let's go out.

[　　]

The ________ the trees turn green in spring.

[　　]

The man came up to a lonely college, whose door was open , ________ there a while and then entered it with great interest.

[　　]

I didn't think it will be ________ you know how to improve your English study.

[　　]

Her parents had ________ anxious moments, but got things turned out all right in the end.

[　　]

In the strong wind a big tree was ________ blocking the street.

[　　]

The winter holidays came to the end ________ I knew  it.

[　　]