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【分析】句意:——你為什么不接我的電話?——我正在微機(jī)室上網(wǎng)。根據(jù)句意可知指的是打電話那時(shí),所以用進(jìn)行時(shí),didn39。t表明與過(guò)去有關(guān),所以用過(guò)去進(jìn)行時(shí),故選A?!军c(diǎn)評(píng)】考查過(guò)去進(jìn)行時(shí),注意平時(shí)識(shí)記,理解句意。20.— 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。21.—— How fast when the police stopped you?—— I don39。t know exactly, but not too fast, I think.A.were you drivingB.did you driveC.are you driving【答案】 A 【解析】【分析】句意:——警察攔你時(shí)你開(kāi)得有多快?——我確實(shí)不知道,我認(rèn)為不太快。表示一個(gè)過(guò)去動(dòng)作發(fā)生時(shí),另一個(gè)過(guò)去動(dòng)作正在發(fā)生,用過(guò)去進(jìn)行時(shí)態(tài)。本題表示“當(dāng)警察攔你時(shí),你正開(kāi)得有多快”,用過(guò)去進(jìn)行時(shí)態(tài),故選A。22.—Where is your father?—I don39。t know, but he _______ the car when I left just now.A.is washingB.washedC.was washing【答案】C 【解析】【分析】句意:你父親在哪里? 我不知道,但我剛才離開(kāi)的時(shí)候他在洗車。表示過(guò)去某一時(shí)間正在進(jìn)行的動(dòng)作要用過(guò)去進(jìn)行時(shí),所以選C。【點(diǎn)評(píng)】此題考查過(guò)去進(jìn)行時(shí)的用法。23.. Our classmates went to a concert yesterday afternoon. What a pity! I my homework.A.had doneB.was doingC.am doingD.would do【答案】 B 【解析】【分析】句意:昨天下午我們的同班同學(xué)參加了音樂(lè)會(huì)。多么的遺憾,我一直在做作業(yè)。結(jié)合語(yǔ)境可知I 昨天下午一直在寫作業(yè),故用過(guò)去進(jìn)行時(shí),故選B。24.— 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?!叮艺诠珗@里遛狗,我已經(jīng)養(yǎng)這狗三天了,它非??蓯?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。25.— 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?!獙?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)??芍缶涞臅r(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)。26.When the teacher came into the classroom, the students ____ in groups.A.workB.have workedC.were workingD.are working【答案】 C 【解析】【分析】句意:當(dāng)老師走進(jìn)教室的時(shí)候,學(xué)生正在分組學(xué)習(xí)。老師進(jìn)來(lái)這個(gè)動(dòng)作發(fā)生在過(guò)去,所以學(xué)生正在做某事,是過(guò)去的動(dòng)作,所以用過(guò)去進(jìn)行時(shí)態(tài),故選C【點(diǎn)評(píng)】動(dòng)詞的時(shí)態(tài)是學(xué)習(xí)英語(yǔ)過(guò)程中非常重要的知識(shí)。而很多的題目,句中并沒(méi)有像本題一樣有明確的時(shí)間,很多要通過(guò)上下文的判斷得知。過(guò)去進(jìn)行時(shí)既可以表示動(dòng)作在過(guò)去的某個(gè)時(shí)間正在進(jìn)行,也可以表示動(dòng)作在過(guò)去的某一段時(shí)間一直在進(jìn)行,本題不難,平時(shí)加強(qiáng)記憶,理解即可。27. It39。s nice to see you again. We each other since 2014. A.won39。t seeB.don39。t seeC.haven39。t seenD.didn39。t see【答案】C 【解析】【分析】句意:再一次見(jiàn)到你很高興,自從2014年我們彼此就沒(méi)見(jiàn)過(guò)面。A,won39。t see一般將來(lái)時(shí)。B, won39。t see一般現(xiàn)在時(shí)。C,haven39。t seen現(xiàn)在完成時(shí)。D,didn39。t see一般過(guò)去時(shí)。since后跟時(shí)間點(diǎn)或者跟一般過(guò)去式,要用現(xiàn)在完成時(shí)。根據(jù)題意,故選C【點(diǎn)評(píng)】本題考查現(xiàn)在完成時(shí)。現(xiàn)在完成時(shí)構(gòu)成have+過(guò)去分詞。28.I saw Sam and David in the playground yesterday afternoon. They ______ games with their classmates then. A.playB.will playC.are playingD.were playing【答案】D 【解析】【分析】句意:昨天下午我看到薩姆和大衛(wèi)在操場(chǎng)上。那個(gè)時(shí)候他們正在和他們的同班同學(xué)玩游戲。A. play一般現(xiàn)