.The question he asked is hard ____ ．A．for answerB．to answerC．to be answeredD．an

题型：不详难度：来源：

.The question he asked is hard ____ ．

A．for answer

B．to answer

C．to be answered

D．answering

答案

解析

略

举一反三

.The Olympic Games, ____in BC ,did not include women players until .

A．first playing

B．to be first played

C．first played

D．to be first playing

题型：不详难度：| 查看答案

—What did the doctor say?
— He said, “________on time, this medicine will be quite effective”.

A．Taking

B．Take

C．Taken

D．Being taken

题型：不详难度：| 查看答案

24. ––How long have you been here?
––Only about five minutes. Henry and Simon ______ here with me.

A．walk

B．have walked

C．walked

D．had walked

题型：不详难度：| 查看答案

26. With age, the mineral content of human bones decreases, ______ them more fragile.

A．make

B．to make

C．made

D．Making

题型：不详难度：| 查看答案

29. ______ in the sports world, a sportsman needs to train constantly to keep himself in best condition.

A．Survive

B．Surviving

C．To survive

D．Survived

题型：不详难度：| 查看答案