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一、選擇題1.A lot of online resources ________ be used either by teachers at school or parents at home.A.can B.should C.need D.must2.To my joy, we_________ go to the bank. Mary has lent us some money.A.shouldn’t B.needn’t C.couldn’t D.wouldn’t3.—Hurry up, Jack! Let’s cross the road as fast as possible.—No, you ________. Don’t you see the light is still red?A.couldn’t B.wouldn’t C.mustn’t D.needn’t4.—There is a knock at the door.—It ________ be my mom. She always es back home at this time.A.may B.may not C.must D.can’t5.—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.should6.—Dad, must we wait until the light bees green? —Yes, I am afraid we ________. That’s the traffic rule.A.may B.can C.have to D.need7.Exercise is helpful but it ________ be regular (規(guī)律的) exercise.A.must B.may C.can D.need8.You39。 or C.working。 dare climbingC.dare saying。t B.telling。t D.told。t C.can D.may24.—Must I finish all my homework today, Mum?—No, you ________, my dear. You can finish some tomorrow if you like.A.needn’t B.shouldn’t C.can’t D.mustn’t25.—Suzy described every detail of the accident just now.—Her memory ________ be pletely back.A.shall B.need C.must D.could26.—Is that Mr Zhou?—It ________ be him. He has gone to Beijing.A.can B.may C.can’t D.shouldn’t27.— Mum, why do I have to wash hands so many times a day?—You ________ be too careful, for your health.A.can’t B.mustn’t C.may not D.needn’t28.—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.must29.— Why didn’t you tell it to me earlier?— Why ________ I? I want to have my own secret.A.can B.may C.should D.shall30.—Shall I tell him the change of the time right now?—I’m afraid you ________, otherwise he will be late for the meeting.A.can B.may C.must D.need31.A hardworking man ________ bee a great scientist, but a great scientist ________ be a hardworking man.A.can’t。 can32.Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry.A.should B.would C.must D.can33.— 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’t34.—I don’t care what people think.—Well, you _______ . Some opinions are worth weighing.A.should B