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。has doneC.is doing D.would do【答案】 A 【解析】【分析】句意:Sherlock Holmes嫌疑人當(dāng)謀殺案發(fā)生時(shí)他在做什么。,過(guò)去某個(gè)時(shí)間正在發(fā)生的事情。,過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成影響和結(jié)果。,此時(shí)此刻正在發(fā)生的動(dòng)作。,過(guò)去將來(lái)時(shí)。根據(jù)句意可知,這里表示謀殺案發(fā)生時(shí),嫌疑人正在做什么,應(yīng)該用過(guò)去進(jìn)行時(shí),故選A。20.What ___ you____ at ten yesterday evening?A.have, doneB.did ,doC.were doingD.will do【答案】 C 【解析】【分析】句意:昨晚八點(diǎn)你在做什么?本題考查動(dòng)詞的時(shí)態(tài)。at ten yesterday evening “昨晚八點(diǎn)鐘”是過(guò)去的一個(gè)具體時(shí)間點(diǎn),要求動(dòng)詞用過(guò)去進(jìn)行時(shí)。結(jié)合句意,故選C.【點(diǎn)評(píng)】考查動(dòng)詞的時(shí)態(tài)。21.— Didn39。t you notice Ted pass by?— No, I _______ the chalk off the blackboard.A.was cleaningB.cleanedC.am cleaningD.clean【答案】 A 【解析】【分析】句意:—難道你沒(méi)有注意到Ted經(jīng)過(guò)嗎?—不,我正在擦黑板上的粉筆。根據(jù)語(yǔ)境可知用過(guò)去進(jìn)行時(shí),其結(jié)構(gòu)是was/were doing 。根據(jù)題意,故選A。22.——Lucy, what were you doing at nine last night? ——I ___________ the piano. I usually practice the piano at that time.A.play B.playedC.was playingD.am playing【答案】 C 【解析】【分析】句意:一Lucy, 昨天晚上9點(diǎn)你在做什么一我在彈鋼琴。我通常在那個(gè)時(shí)間練習(xí)鋼琴。,動(dòng)詞原形。,表示過(guò)去某個(gè)時(shí)間正在發(fā)生的動(dòng)作。根據(jù)句意可知,這里說(shuō)的是昨天晚9點(diǎn)正在做的事情,應(yīng)該用過(guò)去進(jìn)行時(shí),故選C。23.I saw Jeff in the park. He _________ on the grass and reading a book. A.sitsB.sat C.is sitting D.was sitting【答案】 D 【解析】【分析】句意:我在公園里看見(jiàn)過(guò)杰夫,他正坐在草地上看書。是一般現(xiàn)在時(shí),表示表示經(jīng)常性的行為或存在的狀態(tài)。B.。是一般過(guò)去時(shí),表示過(guò)去發(fā)生的動(dòng)作。C. ?,F(xiàn)在進(jìn)行時(shí),表示現(xiàn)在正在發(fā)生的動(dòng)作。,表示過(guò)去某個(gè)時(shí)間(或時(shí)間段內(nèi))正在發(fā)生的動(dòng)作。根據(jù)and后的動(dòng)詞用的是reading可知,這里應(yīng)該用過(guò)去進(jìn)行時(shí),故選D。24.The boy with two dogs ________in the yard when the earthquake hit the city. A.is playingB.were playingC.was playingD.are playing【答案】 C 【解析】【分析】句意:當(dāng)?shù)卣鹨u擊那座城市的時(shí)候,那個(gè)和兩只狗在一起的男孩正在院子里玩。根據(jù)時(shí)間狀語(yǔ)從句可知主語(yǔ)為過(guò)去進(jìn)行時(shí)態(tài),with連接的名詞做主語(yǔ)位于要根據(jù)前面的名次來(lái)確定。主語(yǔ)為這個(gè)男孩,第三人稱單數(shù),故選C?!军c(diǎn)評(píng)】本題考查過(guò)去進(jìn)行時(shí)態(tài)。過(guò)去進(jìn)行時(shí)的構(gòu)成were/was+doing。25.— I went to visit you yesterday evening, but you weren39。t in Where were you then? —Oh, I ______ my pet dog in the park. I ______ this dog for three days and it39。s very cute.A.was walking。 have hadB.walked。 boughtC.was walking。 have boughtD.walked。 have had【答案】 A 【解析】【分析】句意:——昨晚我去拜訪你,但是那是你不在?!?,我正在公園里遛狗,我已經(jīng)養(yǎng)這狗三天了,它非常可愛(ài)。根據(jù) went ,可知是時(shí)態(tài)是過(guò)去時(shí),walk是延續(xù)性動(dòng)詞,因此第一個(gè)空用過(guò)去進(jìn)行時(shí),結(jié)構(gòu)是was或者were+動(dòng)詞ing,主語(yǔ)是I,所以用was,walk的ing是walking;第二個(gè)空中for+時(shí)間段用現(xiàn)在完成時(shí),并且用延續(xù)性動(dòng)詞,結(jié)構(gòu)是have或者h(yuǎn)as+動(dòng)詞過(guò)去分詞,主語(yǔ)是I,所以用have,bought是非延續(xù)性動(dòng)詞,had是延續(xù)性動(dòng)詞,buy的延續(xù)性動(dòng)詞是have,have的過(guò)去分詞是had,故選A。 【點(diǎn)評(píng)】考查過(guò)去進(jìn)行時(shí)和現(xiàn)在完成時(shí),注意平時(shí)識(shí)記其結(jié)構(gòu)及現(xiàn)在完成時(shí)中延續(xù)性動(dòng)詞與非延續(xù)性動(dòng)詞。26.— I went to your office at 9:00 this morning, but I didn39。t see you.— Sorry, I _______ a talk with Mr. Smith in his office.A.haveB.am havingC.was havingD.had【答案】 C 【解析】【分析】理解句意:—今天上午九點(diǎn)我去了你的辦公室,但是沒(méi)有看到你。—對(duì)不起。我和史密斯先生在他的辦公室里談話。由時(shí)間:今天早上九點(diǎn)。可知后句的時(shí)態(tài)為過(guò)去進(jìn)行時(shí),其結(jié)構(gòu)為:主語(yǔ)+was/were+現(xiàn)在分詞。故選C?!军c(diǎn)評(píng)】考查動(dòng)詞的時(shí)態(tài)。27.— Hi, I didn39。t see you at John39。s birthday party last night. — Oh, I ________________ the book report at that time.A.prepared forB.prepare forC.am preparing forD.was preparing for【答案】 D 【解析】【分析】句意:——嗨,我昨晚在約翰的生日聚會(huì)上沒(méi)看見(jiàn)你?!?,我當(dāng)時(shí)正在準(zhǔn)備讀書報(bào)告。根據(jù) at that time , 可知是過(guò)去進(jìn)行時(shí)的標(biāo)志,表示過(guò)去某時(shí)正在的動(dòng)作,故選D。 【點(diǎn)評(píng)】考查時(shí)態(tài),注意過(guò)去進(jìn)行時(shí)的用法。28. It39。s nice to see you again. We each other since 2014. A.won39。t see