21. What____ next will be discussed at today's meeting.

A. will do B. to do C. shall we do D. to be done

22. Mr. Baker sent his son to the doctor ____ a check.

A. gives B. to give C. being given D. to be given

23. When I got to the top of the mountain, the sun____.

A. shone B. shines C. has shone D. was shining

24. They spent all their spare time, ____ their spare money, on their experiments.

A. as much as B. as well as C. as long as D. as soon as

25. After being tested in many ways, this newly-designed machine will ____in the near future.

A. take its place B. put into use C. ***e into use D. take action

26. Mother warned ____ the electric lamp.

A. not to touch B. him not to touch

C. him not touching D. him not touch

27. She always felt inferior ____her older sister.

A. with B. from C. to D. on

28. I'll talk to him, ____ I don't think it will do any good.

A. although B. which C. if D. unless

29. Tom never gets up early and he doesn't like to be ____ at 10. e, m.

A. called off B. called for C. called at D. called on

30. Good use must be____ the ***puter which is now sitting idle.

A. made of B. made up of

C. made from D. made out of

答案：

21-25 BDDBC 26-30 BCADA