A number of books in the library ____ been stolen so that the number of them ____ smaller than before.
| A．have, is | B．has, is | C．has, are | D．have, are |
As time went by, the plan stuck ____ fairly practical.
| A．to proved | B．to proving | C．proved | D．to be proved |
It was believed that things would get worse, but ____ it is they are getting better.
| A．before | B．after | C．because | D．as |
The students spent as much time getting trained as they ____ studying.
| A．disliked | B．were | C．had | D．did |
——Did your sister pass the exam?
——She failed and is in low spirits.
——I’m sorry for her.
——____.
| A．Thank you | B．You’re welcome | C．I would think so | D．Never mind |
That she hadn’t kept her ____ on her work resulted in the failure.
| A．head | B．heart | C．brain | D．mind |