语法练习

1.They will wonder whether their life ___ considerably by 2010.

A.will have changed
B.will be changing
C.will have to change

D.is going to change

2.___ three girls, I have always believed that Mary is the ___ beautiful.

A.Of...more
B.Among...much
C.Of...most

D.Among...most

3.This picture is believed ___ painted by Tom.

A.it was
B.to be
C.to being

D.to have been

4.The statesman and writer you talked with last month ___ at today's conference.

A.was present
B.was presenting
C.were present

D.were presenting

5.I ____ provoded you with the money. Why didn't you ask me ?

A.could have
B.had
C.must have
D.ought to have

答案详解

1.[A]【解析】将来完成时表示到将来某一时刻已经完成的动作，常与by连用。

2.[D]【解析】among表示在三个或三个以上的范围内比较，用最高级。

3.[D]【解析】动词不定式的动作在谓语动词之前发生，要用动词不定式的完成时。

4.[A]【解析】主语中有两个名词statesman和writer，但前面只有一个定冠词the，所以statesman和writer指的是一个人，谓语动词用单数。be present意为“出席（会议）”。

5.[A]【解析】could have done表示过去某件可能发生而没发生，意为“本来可以……”。