35. It was not until the early 1980s _________ this kind of service was developed enough for

businesses to be able to fax.

A. when　　　　　　 B. that　　　　　　　 C. since　　　　 　　　D. before

34. In China, many people, some of ________ are not overweight at all, are always going on diets

or taking weight-loss pills, _________ are often dangerous.

A. them, which　　 　 B. whom, that　　 　 C. whom, which　 　D. them, that

33.-Tom seldom tells lies, ____________ ?

　-No, you can trust him.

A. doesn’t he　　　　 B. does he　　　　　　 C. didn’t he　　　　　 D. will he

32.-How can you keep slim as a mother of two?

　-I have been ___________ in the gym for years.

A. working out　　　 B. acting out　　　　　 C. getting out　　　　 D. giving out

31. Police have not ruled out the possibility ________ Justin was taken by aliens, but are also

looking into other possibilities.

　 A. why　　　　　　　 B. how　　　　 　　　C. which　　　　　　 D. that

30. If we work with a strong will, we can overcome any difficulty, ________ great it is.

A. whichever 　 　　　　B. whenever　　　　　 C. however　　　 　　　 D. whatever

29.-Mr. Smith! How can I achieve high grades in English writing?

　-First of all, great attention should be paid to _________ your handwriting. First impression,

you know, really counts.

A. improve　　　　　 B. have improved　　　 C. improving　　　　 D. being improved

28. Central Manchester High School has much more than you expect, ________ 12 science

laboratories are _______ for different experiments.

A. where, available　　 B. which, useful　　　 C. which, acceptable　 D. there, valuable