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.should D.shall30.—Must we stop the Japanese government discharging nuclear waste water (排放核污水) into the Pacific Ocean?—________. Because everyone should protect our earth and it is bad ________ us to eat the polluted seafood and drink the waste water.A.Yes, we can。 of C.Yes, we must。 for31.According to the rule, used batteries ________ be dropped in the red bin for harmful wastes.A.may B.would C.should D.might32.You’ve got an A in the maths test again. You ________ be good at it.A.can B.may C.must D.should33.Mr. Black ________ be at home now. He went abroad on vacation last Friday.A.can’t B.mustn’t C.needn’t D.shouldn’t34.—________ I see your ID card? We have to check your personal information. —Sure. Here you are.A.May B.Need C.Should D.Must35.—I think they are enough. We ________ make so many chairs.—I don’t think so. Because nearly a quarter of them need ________.A.don’t need to。 to be mendedC.don’t need。 to mend36.We teenagers ________ have dreams. With dreams and hard work, anything amazing ________ be created.A.may。 should C.should。 has to37.—Who’s singing next door? Is it Miss Wang?—It ________ be her. She’s having the board meeting.A.can’t B.shouldn’t C.mustn’t D.needn’t38.It’s of great importance to protect the environment. Each of us ________ take an active part in it.A.can B.may C.would D.should39.—Is it really necessary for me to go shopping with a mask on?—I’m afraid you ________ in public. It is not only to protect yourself but also to protect others.A.must B.should C.can D.need40.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’t【參考答案】一、選擇題1.A解析:A【詳解】句意:很多在線資源既可以供學(xué)校的老師使用,也可以供家長(zhǎng)在家使用。can能,可以;should應(yīng)該;need需要;must必須。故空格處的意思是可以,能夠。2.B解析:B【詳解】句意:使我高興的是,我們不必去銀行了??疾榍閼B(tài)動(dòng)詞辨析。由“Mary has lent us some money”可知,瑪麗已經(jīng)借給我們錢了,所以我們不必再去銀行了。3.C解析:C【詳解】句意:——小心!火有時(shí)候會(huì)很危險(xiǎn)。我馬上把火撲滅。mustn’t禁止;should應(yīng)當(dāng);can會(huì)、能;needn’t不需要。故選C??疾榍閼B(tài)動(dòng)詞辨析。根據(jù)“I’ll call if there’s any problem”可知,是說話人按照事實(shí)有一定依據(jù)的推測(cè),用should符合語境。5.C解析:C【詳解】句意:我們不應(yīng)該從大樓上扔任何物體。考查情態(tài)動(dòng)詞辨析。根據(jù)“Even a small object…cause serious injuries or death,when dropped from a great height”可知,從高空中掉落一個(gè)小的物體都有可能造成傷害或死亡,表示可能性用may,故選C。這是交通規(guī)則。may可能;can可以;have to必須;need需要;根據(jù)“must we wait until the light bees green”及“That’s the traffic rule”可知,每個(gè)人都必須要遵守交通規(guī)則,應(yīng)用have to,故選C。一定是他??疾榍閼B(tài)動(dòng)詞。根據(jù)“Yes.”和“He has been here for three days.”可知,此處表示非??隙ǖ耐茰y(cè),故選B??疾榍閼B(tài)動(dòng)詞。根據(jù)“spelling mistakes are not allowed at all”可知,拼寫錯(cuò)誤是不被允許的,所以報(bào)告必須重寫。9.C解析:C【詳解】句意:——你覺得我的新裙子怎么樣? ——好吧,如果我不得不說的話,它不適合你。may可以;must必須(有義務(wù)、有必要);have to不得不(客觀情況驅(qū)使);should應(yīng)該。故選C??疾楹閼B(tài)動(dòng)詞的被動(dòng)語態(tài)和情態(tài)動(dòng)詞跟動(dòng)詞原形。故選D??疾榉侵^語動(dòng)詞及動(dòng)詞的基本形式。