【正文】 的變化，且空后用動詞原形；做實意動詞時，有人稱和數(shù)的變化，用dare to do sth。13．A解析：A【解析】句意“這個小男孩非常的勇敢，我敢說，他敢爬上那棵高的樹”?！皀eedn39。t一定不要，禁止。t不能；needn39。shouldn39。12．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?？疾榉侵^語動詞及動詞的基本形式。故選D?？疾楹閼B(tài)動詞的被動語態(tài)和情態(tài)動詞跟動詞原形。故選D?？疾榍閼B(tài)動詞。9．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。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。根據(jù)“Yes.”和“He has been here for three days.”可知，此處表示非常肯定的推測，故選B。考查情態(tài)動詞。一定是他。故選D。must必須，一定，表推測時，語氣最肯定；could可能，表推測時，其意很不肯定；shall將，會；should應當，應該，表示推測時，其語氣比較肯定，它通常指非?？赡艿氖拢凳酒渫茰y有一定的事實依據(jù)或者合乎常理。6．D解析：D【詳解】句意：——我的車今天能修好嗎？——應該能，先生，如果有什么問題我會打電話給你。根據(jù)前句“Be careful!”可推知，應是說火有時候會很危險，故情態(tài)動詞應用can?？疾榍閼B(tài)動詞辨析?！玫?。根據(jù)下文“Don’t you see the light is still red”可知，現(xiàn)在是紅燈，禁止過馬路，故選C。——不，你不能這樣，你沒有看到是紅燈嗎？考查情態(tài)動詞。故選B。shouldn’t不應該；can’t不能；mustn’t不允許；needn’t不必。3．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。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?？疾榍閼B(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。 can32．— 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’t33．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．—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’t35．—Who’s the man over there? Is that Mr. Black? —It ________ be him. Mr. Black is much taller than that man.A．may B．must C．can’t D．mustn’t36．—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 not37．—________ I see your ID card? We have to check your personal information. —Sure. Here you are.A．May B．Need C．Should D．Must38．You ________ drive after drinking alcohol(酒). It’s against the law.A．mustn’t B．needn’t C．couldn’t D．wouldn’t39．—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’t40．—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．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。 must C．can’t。ve discussed every detail of this plan and have got everything ready. But still something ________ go wrong. We still have to be very careful.A．must B．should C．would D．