【正文】 ；needn’t不需要；shouldn’t不應該。10．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。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。故選B。consider doing ，第一空用telling；再由“He has known it already.”可知他已經(jīng)知道考試結果，不必再告訴他，第二空用needn39。t禁止；shouldn39。t不可能；needn39?？疾榉侵^語動詞和情態(tài)動詞。你不必。8．B解析：B【詳解】句意：——湯姆在哪里？我正在考慮告訴他考試的結果。根據(jù)題干“we…be too hardworking before the exams”，可知是“can’t be too +形容詞”結構，表示“再……也不為過”?？疾榍閼B(tài)動詞辨析。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?？疾榍閼B(tài)動詞辨析。6．C解析：C【詳解】句意：我們不應該從大樓上扔任何物體。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。4．C解析：C【詳解】句意：——小心！火有時候會很危險。mustn’t禁止；shouldn’t不應該；needn’t不必；can’t不能。3．D解析：D【詳解】句意：——高中入學考試快到了! ——是的，我們老師告訴我們考試時再怎么仔細都不為過。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?！皀eedn39。t一定不要，禁止。t不能；needn39。shouldn39。 has to38．—Could I join you in the programme?—Sorry, you ________. You are too young.A．shouldn’t B．mustn’t C．can’t D．needn’t39．Hurry up, or we ________ miss the beginning of the film.A．should B．must C．may D．have to40．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．C解析：C【詳解】句意：——佐伊，你認為網(wǎng)上購物最大的優(yōu)勢是什么？——至少我不需要花很多時間逛商店。 should C．should。 to mend37．We teenagers ________ have dreams. With dreams and hard work, anything amazing ________ be created.A．may。 to be mendedC．don’t need。 can32．Cars ________ give way to walkers on some roads in Binhai, or the drivers will be fined.A．may B．will C．can D．must33．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．—May I have some wine to drink?—No, you ________. You have to drive home later.A．mustn’t B．needn’t C．can’t D．may not36．—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。 must C．can’t。t C．can D．may24．— 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．would D．must25．—Must I finish all my homework today, Mum?—No, you ________, my dear. You can finish some tomorrow if you like.A．ne