10. ________ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.

A. To wait B. Have waited C. Having waited D. To have waited

11. Linda worked for the Minnesota Manufacturing and Mining Company, ________ as 3M.

A. knowing B. known C. being known D. to be known

12. Sarah, hurry up. I’m afraid you can’t have time to ________ before the party.

A. get changed B. get change C. get changing D. get to change

13. ________ by the beauty of nature, the girl from London decided to stay another two days off the farm.

A. Attracting B. Attracted C. To be attracted D. Having attracted

14. I don’t know whether you happen ________ , but I’m going to study in the U. S. A. this September.

A. to be heard B. to be hearing C. to hear D. to have heard

15. The news reporters hurried to the airport, only ________ the film stars had left.

A. to tell B. to be told C. telling D. told

16. Having been ill in bed for nearly a month, he had a hard time ________ the exam.

A. pass B. to pass C. passed D. passing

17. ________ with the size of the whole earth, the biggest ocean doesn’t seem big at all.

A. Compare B. When comparing C. Comparing D. When compared

18. ________ the programme, they have to stay there for another two weeks.

A. Not completing B. Not completed

C. Not having completed D. Having not completed