【正文】
”是現(xiàn)在進(jìn)行時(shí)態(tài)的標(biāo)志詞,其結(jié)構(gòu)為am/is/are+動(dòng)詞現(xiàn)在分詞,主語(yǔ)“The birds”是復(fù)數(shù),be動(dòng)詞解析:C【詳解】句意:聽(tīng)!鳥(niǎo)兒在窗外的樹(shù)上快樂(lè)地歌唱。根據(jù)語(yǔ)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??疾閯?dòng)詞時(shí)態(tài)。故選C。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/are doing??疾閯?dòng)詞時(shí)態(tài)。 考查現(xiàn)在進(jìn)行時(shí)。now現(xiàn)在,是現(xiàn)在進(jìn)行時(shí)的標(biāo)志,需用be doing結(jié)構(gòu);主語(yǔ)students復(fù)數(shù)人稱(chēng),be動(dòng)詞用are,故選C。 ——他正在為下周舉行的英語(yǔ)演講比賽做準(zhǔn)備。飛機(jī)正在起飛。 expect B.Are。t seen Jack for a couple of days. —He ________ for the English speaking petition which will take place next week.A.will prepare B.is preparing C.has prepared D.was preparing3.Be quiet, please. They _________ a meeting now.A.have B.had C.a(chǎn)re having D.were having4.— What’s that noise, Sam?— My little brother ________ his toy car.A.played B.is playing C.plays D.was playing5.—Hi, Daming. What are you up to?—I ________ a project about family history.A.do B.did C.a(chǎn)m doing D.was doing6.Grandma ________ dinner. Let’s go and help her.A.is making B.makes C.made D.was making7.—May I speak to Mr. Brown? —I am sorry. He _______ an important meeting in his office at the moment.A.has B.had C.is having D.will have8.Now ABC Cinema on Forest Road ________ the old film called Roman Holiday.A.is show B.is showing C.is showed D.is on9.I can’t lend you my English book, because I _______ it these days.A.use B.have used C.used D.a(chǎn)m using10.—Candy, could you please help me do the dishes?—Sorry, Mom. I ________ my homework.A.do B.did C.a(chǎn)m doing D.have done11.Listen! The birds ________ happily in the tree outside the window.A.sing B.sang C.a(chǎn)re singing D.were singing12.—What’s the terrible noise?—The students ________ for a party.A.have prepared B.a(chǎn)re preparing C.prepare D.will prepare13.—It39。 expect19.— Hello. May I speak to Laura, please?—Sorry, she39。2.B【詳解】句意:——我有幾天沒(méi)見(jiàn)到杰克了。根據(jù)語(yǔ)境可知,英語(yǔ)演講比賽下周舉行,杰克現(xiàn)在應(yīng)該是正在準(zhǔn)備,因此用現(xiàn)在進(jìn)行時(shí);其結(jié)構(gòu)是:be(am/is /are)+動(dòng)詞的現(xiàn)在分詞??疾閯?dòng)詞時(shí)態(tài)辨析。5.C【詳解】句意:——嗨,大明。我們?nèi)椭???疾楝F(xiàn)在進(jìn)行時(shí)。根據(jù)句中“Now”及句意可知,句中動(dòng)作表示正在進(jìn)行,表達(dá)“正在播放”應(yīng)該用現(xiàn)在進(jìn)行時(shí),其構(gòu)成是am/is解析:B【詳解】句意:現(xiàn)在,位于森林路的ABC電影院正在放映老電影《羅馬假日》。根據(jù)“I can’t lend you my English book...”可知,我不能把我的英語(yǔ)書(shū)借給你,說(shuō)明這些天我在用它,符合語(yǔ)境;所以句子時(shí)態(tài)應(yīng)為現(xiàn)在進(jìn)行時(shí)??疾閯?dòng)詞時(shí)態(tài)。12.B【詳解】句意:——那個(gè)糟糕的噪音是什么?——學(xué)生們正在準(zhǔn)備聚會(huì)??疾闀r(shí)態(tài)。考查時(shí)態(tài)。謂語(yǔ)動(dòng)詞leave是位移動(dòng)詞,用進(jìn)行時(shí)表示將來(lái)。我在商店里買(mǎi)一些零食。reading 動(dòng)名詞;am reading動(dòng)詞的現(xiàn)在進(jìn)行時(shí);was reading過(guò)去進(jìn)行時(shí);have read動(dòng)詞解析:B【詳解】句意:——趕緊。有一部新電影叫《復(fù)仇者聯(lián)盟4》。根據(jù)“Not now,”可知,此處是說(shuō)明現(xiàn)在正在做什么,用現(xiàn)在進(jìn)行時(shí)。根據(jù)上文“解析:B【詳解】句意:——你看起來(lái)心不在焉。故選B??疾閯?dòng)詞時(shí)態(tài)?!獩](méi)問(wèn)題??疾楝F(xiàn)在進(jìn)行時(shí)。考查動(dòng)詞時(shí)態(tài)。23.B【詳解】句意:你最好不要走這邊。24.A【詳解】句意:——媽媽?zhuān)以诿χ伌?。根?jù)上文“I’m busy making the bed.”可知,我正在忙著鋪床,是現(xiàn)在進(jìn)行時(shí);且根據(jù)下文的“Wait a moment.”可知,媽媽要求等一下,此時(shí)她正在掃地,也用現(xiàn)在進(jìn)行時(shí),結(jié)構(gòu)是am/is/are doing。26.C【詳解】句意:西峰街今天關(guān)閉,因?yàn)楣と苏谶M(jìn)行一些維修工作?!炷?!太危險(xiǎn)了。故選C。根據(jù)“Be quiet.”及語(yǔ)境可知,此處表達(dá)的動(dòng)作是正在進(jìn)行的,應(yīng)用現(xiàn)在進(jìn)行時(shí),故選B。考查動(dòng)詞時(shí)態(tài)。這些天她正在寫(xiě)??疾閯?dòng)詞時(shí)態(tài)辨析。根據(jù)“Tom, where is your father?”可知要回答現(xiàn)在在做什么,用現(xiàn)在進(jìn)行時(shí),其結(jié)構(gòu)為am/解析:A【詳解】句意:——湯姆,你爸爸在哪里?——他正在修理我的自行車(chē)。 ——對(duì)此我很抱歉。根據(jù)句意“…before there is none l解析:B【詳解】句意:我的油快要用完了。根據(jù)前句“The zoo keeper is worried”的語(yǔ)境可知,后句動(dòng)作應(yīng)是解析:C【詳解】句意:動(dòng)物園管理員很擔(dān)心,因?yàn)橛慰蛿?shù)量越來(lái)越少。根據(jù)前面的“One moment!”可知,判斷設(shè)空處的動(dòng)作“發(fā)送電子郵件”在說(shuō)話(huà)時(shí)刻正在進(jìn)行著,所以用現(xiàn)在進(jìn)行時(shí);現(xiàn)在進(jìn)行時(shí)的構(gòu)成是:主語(yǔ)+am/is/are+動(dòng)詞的現(xiàn)在分詞;主語(yǔ)是He,be動(dòng)詞用is,send的現(xiàn)在分詞是sending;故選A。她正在打掃教室。我在看姚