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into text with few mistakes.A.can B.must C.may D.need14.If you buy your mum an iRobot floor cleaner, she ________ sweep the floor every day.A.can’t B.mustn’t C.needn’t D.shouldn’t15.—The high school entrance examination is ing!—Yes, our teacher tells us we _______ be too careful while taking exams.A.mustn39。t C.needn39。t16.—Amy, I hear you39。ll fetch them for you.A.May B.MustC.Should D.Need17.—Shall we go camping this summer holiday?—Nothing________be better.A.should B.could C.must D.may18.My bike was broken yesterday,so I____walk home. A.might B.had to C.must D.could19.—Will your mother be at home this Saturday?—Hard to say. She _______go to the countryside to see my grandparents.A.must B.may C.can D.would20.— ________ you give me a hand? I can’t put up the poster by myself.—No problem.A.Could B.Should C.Need D.Must21.—How beautiful the winter jasmines (迎春花) are!—Yes. These goldenyellow flowers ________ be widely seen in my city in March.A.must B.can C.would D.should22.— Listen! Tom ________ be listening to the music while doing his homework.— Let’s go upstairs to remind him to turn it off.A.should B.could C.would D.must23.—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.must24.I think all the students love the weekends because, to them, they ________ get up early on Saturdays or Sundays.A.mustn’t B.don’t need C.needn’t D.can’t25.—Is it usually warm in Yancheng in May??—Yes. But it _______ be rather cold sometimes.A.must B.should C.would D.can26.—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.can27.— Excuse me. I haven’t finished reading the book yet. May I keep it a bit longer?— Sorry, you ________. You must return it on time.A.needn’t B.can’t C.won’t D.shouldn’t28.Cars ________ give way to walkers on some roads in Binhai, or the drivers will be fined.A.may B.will C.can D.must29.—How do you like my new dress? —Well, if I ________ say, it is not suitable for you.A.may B.must C.have to D.should30.—The article says that a person’s animal sign decides his personality.—You ________ read it for fun, but don’t believe in that.A.can B.must C.shouldn’t D.needn’t31.— What is that young lady’s job?— She ________ be a nurse, I’m not sure.A.must B.may C.need D.wo