【正文】 。根據(jù)but轉(zhuǎn)折可知有規(guī)律的鍛煉才對身體有幫助，故用must表示一定，必須?？疾榍閼B(tài)動詞辨析。should應(yīng)該；might可能；could能；would將會，根據(jù)前面的“I don’t care what people think”和后面的“Some opinions are worth weighing”可知，應(yīng)該是“你應(yīng)該在乎”，故選A。有些意見值得權(quán)衡。11．A解析：A【詳解】句意：——我不在乎別人怎么想?？疾榍閼B(tài)動詞。10．C解析：C【詳解】句意：——爸爸，我們一定要等綠燈嗎？——是的，恐怕我們必須這樣做。mustn’t不準(zhǔn)；needn’t不需要；couldn’t不可能；wouldn’t將不會。這是違法的。故選C。mustn’t禁止；should應(yīng)當(dāng)；can會、能；needn’t不需要。我馬上把火撲滅。8．C解析：C【詳解】句意：——小心！火有時候會很危險。can能夠；may可以；should應(yīng)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(yīng)該告訴你？我想要保守我自己的秘密。can’t不能；needn’t不必；mustn’t禁止；may not可能不會。他們可以有更多的時間為旅行做準(zhǔn)備。故選C。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。5．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。根據(jù)語境可知，此處表推測，故應(yīng)用情態(tài)動詞may?？疾榍閼B(tài)動詞。故選D。can能、會；will將要；may可以；must必須、一定。如果你一定要抽的話，你會被按規(guī)定罰款的。may可能；can’t不能；shouldn’t不應(yīng)該；mustn’t不允許；根據(jù)語境理解可知，此處表達(dá)的是“可能”，是一種不太肯定的推測，英語用may，故選A。2．A解析：A【詳解】句意：做決定前要三思，否則你可能會惹上麻煩。根據(jù)“I can’t put up the poster by myself.”可知，此處表示請求，用委婉語氣表達(dá)“能”幫一下嗎。考查情態(tài)動詞辨析。 for34．— 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’t35．Sometimes smiles ________ be false, hiding other feelings like anger, fear or worry.A．should B．would C．must D．can36．You’ve got an A in the maths test again. You ________ be good at it.A．can B．may C．must D．should37．—Could you tell me how to renew the library books?—With pleasure. You ________ e to our desk every time. It’s easier to renew them online.A．can’t B．mustn’t C．needn’t D．shouldn’t38．For the safety of the passengers, objects like guns ________ be carried on board.A．may not B．needn’t C．might not D．mustn’t39．—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．should40．—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．must【參考答案】一、選擇題1．A解析：A【詳解】句意：——你能幫我一把嗎？我一個人貼不起海報。 of C．Yes, we must。 can32．— Will dad arrive home at 6 o’clock to have dinner with us this evening?— I think he will, but he ________ not. Sometimes he works extra hours.A．can B．must C．need D．may33．—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