1.___ he be free tomorrow, he would come.

A.Would

B.Should

C.Has

D.Were to

2.___ up with your classmates, you must study hard right now.

A.To catch

B.Caught

C.Being caught

D.Catching

3.The mother was afraid to let the boy ___ the street himself.

A.to risk crossing

B.risk crossing

C.to risk to cross

D.risk cross

4.John had the report ___ as soon as he finished ___ it.

A.to be typed, to write

B.typed, to write

C.being typed, writing

D.typed, writing

5.There is no easy solution to Japan's labor ___.

A.decline

B.vacancy

C.rarity

D.shortage

來源:可可英語 http://www.ccdyzl.cn/tem4/201504/367095.shtml