【正文】 解】本題考查：情態(tài)動詞辨析。must 必須，一定；should 應該，shall的過去式；may 可能；shall 應該。但要看情況。故選A。must必須；should應該；can可以；need需要。這不僅是保護自己，也是保護他人。根據(jù)“Yes.”和“He has been here for three days.”可知，此處表示非?？隙ǖ耐茰y，故選B?？疾榍閼B(tài)動詞。一定是他。故選C?？疾榍閼B(tài)動詞。9．C解析：C【詳解】句意：——我可以加入你的計劃嗎？——對不起，你不能。根據(jù)“I’ll call if there’s any problem”可知，是說話人按照事實有一定依據(jù)的推測，用should符合語境。考查情態(tài)動詞辨析。故選C。mustn’t禁止；should應當；can會、能；needn’t不需要。我馬上把火撲滅。7．C解析：C【詳解】句意：——小心！火有時候會很危險。may也許；may not也許不；must一定；can’t不能。她總是這個時候回家。6．C解析：C【詳解】句意：——有人敲門。根據(jù)“For your health and safety, you...be too careful.”可知，為了你的健康，你再怎么小心也不為過，“can’t...too...”表示“再……也不為過”?？疾榍閼B(tài)動詞辨析。根據(jù)下文“It’s a huge building”，可知不可能錯過這么大的一座建筑，ACD三項不合語境，故選B。考查情態(tài)動詞辨析。你不會錯過的。故選D?？疾榍閼B(tài)動詞。3．D解析：D【詳解】句意：你不應該要求別人像你一樣來處理問題。分析句意可知，交通燈變綠之前橫穿馬路，汽車有可能會撞到你，故此處應用may表推測。考查情態(tài)動詞。2．B解析：B【詳解】句意：在交通燈變綠之前不要橫穿馬路。can’t不能；mustn’t禁止；needn’t不需要；shouldn’t不應該。 to mend38．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．Sorry, smoking is not allowed here. If you ________ , you will be fined according to the rules.A．can B．will C．may D．must40．— 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’t【參考答案】一、選擇題1．C解析：C【詳解】句意：如果你給你媽媽買一臺掃地機器人，她就不必每天掃地了。 to be mendedC．don’t need。 to hold30．—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．can31．— What is that young lady’s job?— She ________ be a nurse, I’m not sure.A．must B．may C．need D．would32．Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry.A．should B．would C．must D．can33．You’ve got an A in the maths test again. You ________ be good at it.A．can B．may C．must D．should34．—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．should35．—In China, many students have to stay up late to do their homework.—No worries. The government has realized the problem. I’m sure there ________ be good news soon.A．can B．should C．must D．need36．—I don’t care what people think.—Well, you _______ . Some opinions are worth weighing.A．should B．might C．could D．would37．—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。 hold C．gather。t C．can D．may24．— Listen! Tom ________ be listening to the music while doing his homework.— Let’s go upstairs to remind him