1 . Every book ________ from the library should be returned on time.

A．borrow	B．to borrow
C．borrowing	D．borrowed

2 . His car was struck from behind, causing her severe back and neck i______. (根据首字母单词拼写)

3 . When ________, the two methods can help us save much time and money.

A．being combined

B．combined

C．to be combined

D．combining

4 . They watched over the lake with their cameras and binoculars, which were ________ (position) on the hill. （所给词的适当形式填空）

5 . All the afternoon he worked with the door ___________ (lock). （所给词的适当形式填空）

6 . She made such outstanding achievements in her work that she soon got ________(promote)．（所给词的适当形式填空）

7 . The research is so well-designed that ________ ________ nothing can be done to change it.
这项研究设计得非常好，一旦开始，什么也无法改变它。

8 . ________(ask)for several times, the child seemed to have listened nothing. （用适当的词填空）

9 . The   boss   asked   his   secretary   to   keep him well ________ (inform) of the programme’s progress. （所给词的适当形式填空）

10 . The flowers his friends gave him will die unless ________ (water) every day.