26.Janet used to take part in labor in that village, ______?
a. used she b. did she c. didn’t she d. should she
27.What beautiful weather, ______?
a. is it b. isn’t it c. won’t it d. doesn’t it
28.He ought to go to Kwangchow by plane, ______?
a. should he b. shouldn’t he c. would he d. wouldn’t he
29.We never dared to ask him a question, ______?
a. did we b. didn’t we c. dared we d. daren’t we
30.Nobody will believe how difficult his work has been ______?
a. will he b. won’t nobody c. will they d. won’t they
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