【正文】 all全都；both兩者都，Amy和her parents是兩個(gè)方面，需用both。此處是現(xiàn)在進(jìn)行時(shí)態(tài)表將來(lái)，故答案為C。根據(jù)英語(yǔ)語(yǔ)法，賓語(yǔ)從句的語(yǔ)序應(yīng)為陳述句的語(yǔ)序，B、D選項(xiàng)可排除。48．— Excuse me, could you tell me ?— Sorry, sir. I wasn39。根據(jù)It’s no longer safe to ，給現(xiàn)在帶來(lái)的結(jié)果是不能飲用了，所以用現(xiàn)在完成時(shí)，表示過(guò)去的動(dòng)作對(duì)現(xiàn)在的影響，故選C。45．—You look unhappy. What’s wrong?—No one ______ me when I was in America. Maybe they all forgot me.A．phoned B．phones C．has phoned D．had phoned【答案】A【解析】句意：你看起來(lái)不開心，怎么了？當(dāng)我在美國(guó)的時(shí)候沒(méi)有人給我打電話，可能他們都忘了我吧！題干有過(guò)去的時(shí)間狀語(yǔ)when I was in America，需要用一般過(guò)去時(shí)態(tài)用來(lái)描述過(guò)去的一個(gè)動(dòng)作。44．I don39。have supper是一個(gè)固定的短語(yǔ)，意思是吃晚飯。42．— Mike, I haven’t seen your elder sister for a long time. — She ______ Hong Kong on business for a few days.A．went to B．has gone to C．has been to D．has been in【答案】D【解析】句意：——邁克，我好久沒(méi)見(jiàn)到你姐姐了。41．If you fail in the exam， you ________ him down．A．would let B．lets C．will let D．let【答案】C【解析】句意：如果你考試不及格，你就會(huì)讓他失望的。have been to意為“曾經(jīng)去過(guò)某地”，現(xiàn)在已不在那里了；have gone to意為“到某地去了”，說(shuō)話時(shí)作句子主語(yǔ)的人不在現(xiàn)場(chǎng)，故選C。39． Where’s my father? Could tell me? He to Beijing. He’ll attend an important meeting.A．goes B．is going C．has gone D．has been【答案】C【解析】【詳解】句意：——我的父親在哪里?可以告訴我嗎?——他已經(jīng)去北京了。 rings D．be handed in。37．It is still unknown how AI（人工智能） the way of our life as well as the world.A．change B．changed C．will change D．was changing【答案】C【解析】句意：仍然不知道人工智能將會(huì)怎么改變我們的生活方式還有世界。具體到了過(guò)去某個(gè)時(shí)間段，描述過(guò)去那段時(shí)間里進(jìn)行的動(dòng)作用過(guò)去進(jìn)行時(shí)，結(jié)構(gòu)是was/were doing，這里表示的是“我當(dāng)時(shí)正在洗澡”，故選C。34．___ you ____ my watch? Yes, I ____ it on the table just now.A．Did , see , saw B．Did , see , see C．Have , seen, saw. D．Have , seen, have seen【答案】C【解析】句意：——你看見(jiàn)我的手表了嗎？——是的，我剛才在桌子上看到了。對(duì)不起，姑姑！本題考查動(dòng)詞tell（告訴）的時(shí)態(tài)。當(dāng)主句描述將來(lái)時(shí)態(tài)，if引導(dǎo)的條件狀語(yǔ)從句中用一般現(xiàn)在時(shí)態(tài)表示將來(lái)動(dòng)作，結(jié)合語(yǔ)境可知選B。 will beC．won’t。故選C。C.by the time I got to the party.A.【點(diǎn)評(píng)】考查過(guò)去完成時(shí)。D.thinks 過(guò)去完成時(shí)；，一般過(guò)去時(shí)；，現(xiàn)在完成時(shí)；，一般現(xiàn)在時(shí)。collected28．By the end of last month, I ______________ all the CDs of Justin Bieber. A.【答案】 C 【解析】【分析】had+動(dòng)詞的過(guò)去分詞構(gòu)成過(guò)去完成時(shí)，表示的過(guò)去的過(guò)去的時(shí)間點(diǎn)，本句中電影結(jié)束發(fā)生在我到達(dá)電影院之前，而到達(dá)電影院用的過(guò)去時(shí)，電影結(jié)束發(fā)生在過(guò)去的過(guò)去，所以用過(guò)去完成時(shí)。B.27．——How was the movie you saw yesterday?——I have no idea. By the time I got to the movie theatre, the movie ______.A.根據(jù)by the end of last term，可知表示過(guò)去的過(guò)去，謂語(yǔ)動(dòng)詞要用過(guò)去完成時(shí)had+過(guò)去分詞。B.finishedfall asleep入睡，睡覺(jué)。had showm up 本句考查過(guò)去完成時(shí)，在她進(jìn)入電影業(yè)之前為“過(guò)去的過(guò)去”；即過(guò)去完成時(shí)；故選B。got，一般過(guò)去時(shí)，離開在到達(dá)之前已經(jīng)發(fā)生了，因此使用過(guò)去完成時(shí)，故答案是C。C.23．—Did you see Tom at the party? —No, he _________ by the time I got there.A.D.B.故選D。C.has begun【點(diǎn)評(píng)】考查動(dòng)詞時(shí)態(tài)。D. had been onB.arrived。根據(jù)got可知，電影開始五分鐘屬于在過(guò)去某時(shí)間前已經(jīng)存在的狀態(tài)，應(yīng)該用過(guò)去完成時(shí)，所以排除A和C。B.has begunD.B.18．—We all went to the park except you last weekend. Why didn39。were。did。B.TV by the time I called you?—For about two hoursA.【點(diǎn)評(píng)】考查過(guò)去完成時(shí)。D.have hoped根據(jù)停留stay發(fā)生在想知道wanted之前，可知用過(guò)去完成時(shí)had+過(guò)去分詞，表示過(guò)去的過(guò)去已經(jīng)發(fā)生的事。15．He wanted to know how long現(xiàn)在完成時(shí)；，過(guò)去完成時(shí)；，一般將來(lái)時(shí)；，一般過(guò)去時(shí)。will seeB.14．Sue didn39。過(guò)去完成時(shí)態(tài)，表示動(dòng)作發(fā)生在過(guò)去的過(guò)去。B.A. 【點(diǎn)評(píng)】考查過(guò)去完成