A.should have been doing?

B.must have been doing?

C.could have done?

D.would have done

A.stands a high tower

B.does a high tower stand?

C.a high tower stands

D.a high tower does stand?

A.expressing　　　　　　　　　　　　　　　　　　 B.to express?

C.express　　　　　　　　　　　　　　　　　　　　 D.expressed?

1．More than 4,000 athletes_________ the Barcelona Olympic Games.

2．Before you leave, please_________ the light is turned off.

3．He _________the club at his third attempt.

4．On Sundays, his landlady provided dinner _________breakfast.

5．Since last year, he _________never_________ any meeting.

6．The young man _________important _________in dealing with the problem of pollution in the city.

7．We think it wrong not to allow women to_________ the games.

8．He _________a member of the football team finally.

9．He _________swimming.

10．He is in good health now, but he _________very weak and stayed in hospital for a long time.

A.take as granted?

B.take this for granted?

C.take that for granted?

D.take it for granted?

A.children can　　　　　　　　　　　　 B.can children

C.children are　　　　　　　　　　　　　　 D.are children

A.come across　　　　　　　　　　　　　　　　　　B.come about?

C.came into　　　　　　　　　　　　　　　　　　 D.come along?

A.we expected

B.it expected?

C.expecting

D.it is expected?

A.being　　　　　　　　 B.is　　　　　　　　　　 C.have been　　　　 D.are?

A.on;instead of　　　　　　 B.in;instead?

C.in;more than　　　　　　 D.on;rather than?