【正文】
花。18.B【詳解】句意:——湯姆,爸爸在哪兒? ——喔,他正在花園里的澆花。wait表一般現(xiàn)在時(shí);am waiting表現(xiàn)在進(jìn)行時(shí);has waited表現(xiàn)在完成時(shí);waited表一般過去時(shí)。我正在等他。wait表一般現(xiàn)在時(shí);am waiting表現(xiàn)在進(jìn)行時(shí);has waited表現(xiàn)在解析:B【詳解】句意:——媽媽,現(xiàn)在很晚了。我正在等他。17.B【詳解】句意:——媽媽,現(xiàn)在很晚了。flies是fly的第三人稱單數(shù)形式;fly是動詞原形;flew是fly的過去式。結(jié)構(gòu)為:主語+will/shall+動詞原形、主語+am/is/are+動名詞?!D懵猛居淇臁=Y(jié)構(gòu)為:主語+will/shall+動詞原形、主語+am/is/are+動名詞?!D懵猛居淇?。故選C。buy一般現(xiàn)在時(shí);bought一般過去時(shí);am buying現(xiàn)在進(jìn)行時(shí);have bought現(xiàn)在完成時(shí)。我在商店里買一些零食。buy一般現(xiàn)在時(shí);bought一般過去時(shí);am buying現(xiàn)在進(jìn)行時(shí);have boug解析:C【詳解】句意:——快點(diǎn),瑪麗,電影已經(jīng)開始十分鐘了。我在商店里買一些零食。15.C【詳解】句意:——快點(diǎn),瑪麗,電影已經(jīng)開始十分鐘了。考查時(shí)態(tài)。為什么不上車呢?——琳達(dá)還沒來??疾闀r(shí)態(tài)。為什么不上車呢?——琳達(dá)還沒來。根據(jù)“Listen!”可知,本句時(shí)態(tài)是現(xiàn)在進(jìn)行時(shí),主語“Someone”表單數(shù),故選D。解析:D【詳解】句意:聽!有人正在旁邊的房間里唱歌??疾楝F(xiàn)在進(jìn)行時(shí)。takes off動詞三單;is taking off現(xiàn)在進(jìn)行時(shí);has taken off現(xiàn)在完成時(shí);took off一般過去時(shí);根據(jù)“Ladies and gentlemen, please remain in your seats, fasten your seat belt and bring your seat back.”可知是飛機(jī)起飛前,讓乘客準(zhǔn)備的內(nèi)容,可推測出此處是用現(xiàn)在進(jìn)行時(shí)表將來,故選B。飛機(jī)正在起飛。考查時(shí)態(tài)。12.B【詳解】句意:女士們,先生們,請留在座位上,系好安全帶,請將座椅靠背調(diào)整好?!罢谟谩睍r(shí)態(tài)是現(xiàn)在進(jìn)行時(shí)。根據(jù)“Sorry...”及“I will give it to you later.”可知,抱歉,我稍后給你。我稍后給你??疾閯釉~時(shí)態(tài)。11.B【詳解】句意:——杰克,你能把你的照相機(jī)借給我嗎?——抱歉,我正在用。根據(jù)語境可知,此時(shí)不能幫媽媽洗碗,是因?yàn)檎谧鲎鳂I(yè),應(yīng)用現(xiàn)在進(jìn)行時(shí),構(gòu)成形式為:be doing。我在做作業(yè)。根據(jù)語境可知,此時(shí)不能幫媽媽洗碗,是因?yàn)檎谧鲎鳂I(yè),應(yīng)用現(xiàn)在進(jìn)行時(shí),構(gòu)成形式為:be doing。我在做作業(yè)。故選A??疾楝F(xiàn)在進(jìn)行時(shí)的用法??疾楝F(xiàn)在進(jìn)行時(shí)的用法。故選A。考查動詞時(shí)態(tài)。根據(jù)“Let’s go and help her”可知,此處指讓我們?nèi)椭谧鐾盹埖哪棠?,故為現(xiàn)在進(jìn)行時(shí),其結(jié)構(gòu)為am/is/a解析:A【詳解】句意:奶奶正在做晚飯。我們?nèi)椭?。根?jù)“What are you up to”可知,答語要用現(xiàn)在進(jìn)行時(shí),表示現(xiàn)在正在進(jìn)行的動作,結(jié)構(gòu)為am/is/are doing,故選C。你在忙什么?——我正在做一個(gè)關(guān)于家族史的項(xiàng)目??疾閯釉~時(shí)態(tài)。7.C【詳解】句意:——嗨,大明。考查動詞時(shí)態(tài)辨析。解析:C【詳解】句意:請保持安靜??疾閯釉~時(shí)態(tài)辨析。6.C【詳解】句意:請保持安靜。根據(jù)問句“where is your little sister”及后面的now可知,此處強(qiáng)調(diào)動作正在進(jìn)行,應(yīng)該用現(xiàn)在進(jìn)行時(shí),構(gòu)成為am/is/are doing,此處主語是第三人稱單數(shù),所以用is playing。根據(jù)問句“where is your little sister”及后面的now可知,此處強(qiáng)調(diào)動作正在進(jìn)行,應(yīng)該用現(xiàn)解析:A【詳解】句意:——湯姆,你的小妹妹在哪里?——她現(xiàn)在正在后院玩。5.A【詳解】句意:——湯姆,你的小妹妹在哪里?——她現(xiàn)在正在后院玩??疾闀r(shí)態(tài)??疾闀r(shí)態(tài)。故選D??疾闀r(shí)態(tài)??疾闀r(shí)態(tài)。故選B。think about思考,一般現(xiàn)在時(shí);am thinking about現(xiàn)在進(jìn)行時(shí);was thinking about過去進(jìn)行時(shí);thought about一般過去時(shí)。think about思考,一般現(xiàn)在時(shí);am thinking about現(xiàn)在進(jìn)行時(shí);was th解析:B【詳解】句意:——嘿!你差點(diǎn)撞到樹了!怎么了?——對不起,我在想我的家鄉(xiāng)之旅。2.B【詳解】句意:——嘿!你差點(diǎn)撞到樹了!怎么了?——對不起,我在想我的家鄉(xiāng)之旅。prepare準(zhǔn)備;is preparing現(xiàn)在進(jìn)行時(shí);will prepare一般將來時(shí);was preparing過去進(jìn)行時(shí);has prepared現(xiàn)在完成時(shí);根據(jù)時(shí)間狀語“now”可知,句子時(shí)態(tài)采用現(xiàn)在進(jìn)行時(shí)。prepare準(zhǔn)備;is preparing現(xiàn)在進(jìn)行時(shí);will prepare一般將來時(shí);was prepa解析:A【詳解】句意:你最好現(xiàn)在不要打擾凱西,因?yàn)樗跒槊魈斓臅h準(zhǔn)備演講。 expect20.— Where are the officers? — Look! They ________ the elephant in the palace now.A.touched B.will touch C.touch D.a(chǎn)re touching21.— Tina, the TV show has already been on. Come and watch together. — Wait a moment. I ________ coffee in the kitchen.A.a(chǎn)m making B.have made C.make D.made22.— Mom, I’m busy making the bed. Can you give me a hand? — Wait a moment. I ________ the floor.A.a(chǎn)m cleaning B.will clean C.was cleaning D.have cleaned23.— Helen, how was your English petition on Monday?— I have no idea, I _________ for the result. I was told it would e out in two days.A.was waiting B.waited C.will wait D.a(chǎn)m waiting24.My father ________ Beijing next week.A.leaves for B.is leaving for C.left D.leaves25.—Where is your mother, Kitty?—She ________ dinn