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.A.May B.MustC.Should D.Need16.—Shall we go camping this summer holiday?—Nothing________be better.A.should B.could C.must D.may17.My bike was broken yesterday,so I____walk home. A.might B.had to C.must D.could18.—Would you please________in that way? That’s not safe!—Sorry. I won’t do it any more.A.not driving B.not to drive C.no driving D.not drive19.Dr. Zhong Nanshan once said, To prevent the spread of this disease, we________never be too careful.A.can B.may C.must D.should20.—Will my car be ready by the end of the day?—It ________ be, sir. I’ll call if there’s any problem.A.must B.could C.shall D.should21.Mr. Black ________ be at home now. He went abroad on vacation last Friday.A.can’t B.mustn’t C.needn’t D.shouldn’t22.Most young people like shopping online because they ________ spend much time going from shop to shop.A.needn’t B.can’t C.mustn’t D.shouldn’t23.—Will Jim e to Yangzhou for a holiday?—He ________e and it depends on how much homework he will have.A.may B.should C.must D.need24.—In China, many parents plain that their children have to stay up late to do the homework. —Don’t worry. The government has realized the problem. I’m sure there ________ be good news soon.A.can B.should C.need D.must25.— Is the boy over there Tom? He often wears a jacket like that.— It _______ be him. He is absent from school today.A.needn’t B.shouldn’t C.mustn’t D.can’t26.You ________ pay too much attention to protecting yourself if you plan to go abroad.A.mustn’t B.can’t C.shouldn’t D.needn’t27.— Will dad arrive home at 6 o’clock to have dinner with us this evening?— I think he will, but he ________ not. Sometimes he works extra hours.A.can B.must C.need D.may28.—Seventy dollars for such a dress! You ________ be joking!—I’m serious. It’s made of silk from Hangzhou.A.must B.need C.will D.can29.Sorry, smoking is not allowed here. If you ________ , you will be fined according to the rules.A.can B.will C.may D.must30.Look at the floor, Tom! ________ you watch TV while having a meal?A.Should B.Could C.Must D.May31.—Suzy described every detail of the accident just now.—Her memory ________ be pletely back.A.shall B.need C.must D.could32.— The sandstorm in Beijing is so serious this year.— Yes, I wonder when we ________ worry about the air we breathe.A.can’t B.mustn’t C.needn’t D.shouldn’t33.—Could you tell me how to renew the library books?—With pleasure. You ________ e to our desk every time. It’s easier to renew them online.A.can’t B.mustn’t C.needn’t D.shouldn’t34.For the safety of the passengers, objects like guns ___