—Thanks for listening to my problem and giving me your valuable advice.—______.
— What should we do to prevent the flu?—We should keep our rooms_____ and the air fresh all the time.A. cleaning B. cleaned C. clean
— When did your school hold the sports meet?—Last week. And I _______ the high jump.A. joined B. took part in C. will join
— Must we go to see a doctor at once when we have the flu?—No,_____.A. we mustn’tB. we shouldn’tC. we don’t have to
There____ a baseball game between Class Two and Class Three tomorrow.A. will haveB. is going to beC. are going to be
— The flu is becoming terrible these days.—So we ____ go to crowded places.A. must B. should C. shouldn’t