非謂語動詞

1.Friendship is like money: easier made than _______.

A.kept B.to be kept C.keeping D.being kept

2. _______ the meeting himself gave them a great deal of encouragement.

A.The president will attend B.The president to attend

C.The president attended D.The president's attending

3.Unless _______ to speak, you should remain silent at the conference.

A.invited B.inviting

C.being invited D.having invited

4. She will tell us why she feels so strongly that each of us has a role _______ in making the earth a better place to live.

A.to have played B.to play

C.to be played D.to be playing

5.Having a trip abroad is certainly good for the old couple, but it remains _______ whether they will enjoy it.

A.to see B.to be seen

C.seeing D.seen

6.The research is so designed that once _______ nothing can be done to change it.

A.begins B.having begun

C.beginning D.begun

7. — How do you deal with the disagreement between the company and the customers

— The key _______ the problem is to meet the demand _______ by the customers.

A.to solving; making B.to solving; made

C.to solve; making D.to solve; made

8.In order to gain a bigger share in the international market, many state-run companies are striving _______ their products more competitive.

A.to make B.making

C.to have made D.having made

9.Quite a few people used to believe that disaster _______ if a mirror was broken.

A.was sure of striking B.was sure of having stuck

C.was sure to be struck D.was sure to strike

10. Though _______ money, his parents managed to send him to university.

A.lacked B.lacking of

C.lacking D.lacked in

11. Don't use words, expressions, or phrases _______ only to people with specific knowledge.

A.being known B.having been known

C.to be known D.known

12. _______ to sunlight for too much time will do harm to one's skin.

A.Exposed B.Having exposed

C.Being exposed D.After being exposed

13. Prices of daily goods _______ through a computer can be lower than store prices.

A.are bought B.bought

C.been bought D.buying

14.In some parts of London, missing a bus means for another hour.

A.waiting B.to wait

C.wait D.to be waiting

15.When , the museum will be open to the public next year.

A.completed B.completing

C.being completed D.to be completed