29. The speaker raised his voice but still couldn’t make himself ____

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

28. ---- The light in the office is still on.

　 ---- Oh, I forgot ____

A. turning it off　 B. turn it off　 C. to turn it off　 D. having turned it off

27. The secretary worked late into the night, _____ a long speech for the president.

A. to prepare　 B. preparing　 C. prepared　 D. was preparing

26. Last summer, I took a course on _____

A. how to make dress　　 B. how dress be made　

C. how to be made dress　 D. how dress to be made

25. Though he had often made his little sister _____, today he was made ____ by his little sister.

A. cry, to cry　 B. crying, crying　 C. cry, cry　 D. to cry, cry

24. We agreed _____ here but so far she hasn’t turned up yet.

A. having met　 B. meeting　 C. to meet　 D. to have met

23. Most of the artists ____ to the party were from South Africa.

A. invited　 B. to invite　 C. being invited　 D. having invited

22. _____ more attention, the tree could have grown better.

A. given　 B. to give　 C. giving　 D. having given

21. Paul doesn’t have to be made　 ____. He always work hard.

A. learn　 B. to learn　 C. learned　　 D. learning

20. --- Good morning, can I help you?

　 --- I’d like to have this package ____, Madam.

A.　　 be weighed　 B. to be weighed　 C. to weigh　 D. being weighed