31. _____ many times, but he still couldn't understand it.

A.Having been told 　　B. Though he had been told

C. He was told　　　　 D. Having told

30. Is this the watch you wish _____?

A.to have repaired　　　　 B. to repair it

C. to have it repaired　　 　D. will be repaired

29. The first textbooks _____ for teaching English as a foreign language

came out in the 16th century.

A.having been written　　 　B. to be written　

C. being written　　　　　 D. written

28. Generally speaking, when _____ according to the directions, the drug

　　 has no side effect.

A.taking　 　　　B. taken　　　

C. to take　　 　　D. to be taken

27. _____ 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

26. The pilot asked all the passengers on board to remain _____as the plane was making a landing.　

A. seat　　 B. seating　 C. seated　 D. to be seating

25. Yesterday I heard a story _______ by my friend.

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

24. --- You’d better have your sports jacket　 _____. It’s too dirty.

--- Thanks. I will

A. to wash　 B. washed　 C. washing　　 D. wash

23. The car _______ in Germany in the 1960s looks old now.

A. produced　　 　B. producing　

C. to produce　　 D. which produced

22.--- What’s the language _______ in New Zealand?

--- English.

A.speaking　　　 B. spoken

C. be spoken　　 D. to speak