【正文】
必。8.B解析:B【詳解】句意:——媽媽,為什么我進超市前要戴口罩? ——為了你的健康和安全,你再小心也不為過。can能夠;may可以;should應該;shall將,會。7.C解析:C【詳解】句意:——你為什么不早點告訴我? ——我為什么應該告訴你?我想要保守我自己的秘密。must是情態(tài)動詞,意為“必須”,反意疑問句應用need構(gòu)成,答語中也應用need??疾榍閼B(tài)動詞。6.B解析:B【詳解】句意:——今天我必須去上學,是嗎?——不,你不必。mustn’t不許,表禁止;needn’t 不必;may not 也許不;shouldn’t不應該;根據(jù)“ Everyone has his own way”每個人都有自己的方法;可知,此處指“不應該如此要求別人”。每個人都有自己的方法。根據(jù)“It...be Jane. But she seldom sings English songs.”可知,此處表示不確定的推測,且是肯定句,故選C??疾榍閼B(tài)動詞?!赡苁呛啞8鶕?jù)“Today is the last day.”可知,必須今天完成,故選D。考查情態(tài)動詞辨析。3.D解析:D【詳解】句意:——我們一定要今天完成嗎?——是的,你們必須。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??疾榍閼B(tài)動詞辨析。2.B解析:B【詳解】句意:使我高興的是,我們不必去銀行了。根據(jù)英語語法,對于must開頭一般疑問句,若要作否定回答,可用needn’t,不用mustn’t??疾榍閼B(tài)動詞。 for31.— What is that young lady’s job?— She ________ be a nurse, I’m not sure.A.must B.may C.need D.would32.Mr. Black ________ be at home now. He went abroad on vacation last Friday.A.can’t B.mustn’t C.needn’t D.shouldn’t33.— 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.For the safety of the passengers, objects like guns ________ be carried on board.A.may not B.needn’t C.might not D.mustn’t35.—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’t36.—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.should37.— What do you think of the show yesterday?— Some of them were really good but others ________ be better.A.will B.must C.need D.can38.—________ I see your ID card? We have to check your personal information. —Sure. Here you are.A.May B.Need C.Should D.Must39.—I don’t care what people think.—Well, you _______ . Some opinions are worth weighing.A.should B.might C.could D.would40.When people are waiting at the zebra crossing, cars and buses ________ wait and let them go first.A.must B.may C.can D.need【參考答案】一、選擇題1.A解析:A【詳解】句意:——媽媽,我現(xiàn)在必須打掃房間嗎? ——不,不需要。 of C.Yes, we must。t20.—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’t21.Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry.A.should B.would C.must D.can22.— 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.