【正文】
”是現(xiàn)在進(jìn)行時態(tài)的標(biāo)志詞,其結(jié)構(gòu)為am/is/are+動詞現(xiàn)在分詞,主語“The birds”是復(fù)數(shù),be動詞解析:C【詳解】句意:聽!鳥兒在窗外的樹上快樂地歌唱。根據(jù)語境可知,此時不能幫媽媽洗碗,是因?yàn)檎谧鲎鳂I(yè),應(yīng)用現(xiàn)在進(jìn)行時,構(gòu)成形式為:be doing??疾閯釉~時態(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,其結(jié)構(gòu)為am/is/are doing??疾閯釉~時態(tài)。 考查現(xiàn)在進(jìn)行時。now現(xiàn)在,是現(xiàn)在進(jìn)行時的標(biāo)志,需用be doing結(jié)構(gòu);主語students復(fù)數(shù)人稱,be動詞用are,故選C。 ——他正在為下周舉行的英語演講比賽做準(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:——我有幾天沒見到杰克了。根據(jù)語境可知,英語演講比賽下周舉行,杰克現(xiàn)在應(yīng)該是正在準(zhǔn)備,因此用現(xiàn)在進(jìn)行時;其結(jié)構(gòu)是:be(am/is /are)+動詞的現(xiàn)在分詞。考查動詞時態(tài)辨析。5.C【詳解】句意:——嗨,大明。我們?nèi)椭伞?疾楝F(xiàn)在進(jìn)行時。根據(jù)句中“Now”及句意可知,句中動作表示正在進(jìn)行,表達(dá)“正在播放”應(yīng)該用現(xiàn)在進(jìn)行時,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,我不能把我的英語書借給你,說明這些天我在用它,符合語境;所以句子時態(tài)應(yīng)為現(xiàn)在進(jìn)行時。考查動詞時態(tài)。12.B【詳解】句意:——那個糟糕的噪音是什么?——學(xué)生們正在準(zhǔn)備聚會??疾闀r態(tài)??疾闀r態(tài)。謂語動詞leave是位移動詞,用進(jìn)行時表示將來。我在商店里買一些零食。reading 動名詞;am reading動詞的現(xiàn)在進(jìn)行時;was reading過去進(jìn)行時;have read動詞解析: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,此處是說明現(xiàn)在正在做什么,用現(xiàn)在進(jìn)行時。根據(jù)上文“解析:B【詳解】句意:——你看起來心不在焉。故選B??疾閯釉~時態(tài)?!獩]問題??疾楝F(xiàn)在進(jìn)行時??疾閯釉~時態(tài)。23.B【詳解】句意:你最好不要走這邊。24.A【詳解】句意:——媽媽,我在忙著鋪床。根據(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;且根據(jù)下文的“Wait a moment.”可知,媽媽要求等一下,此時她正在掃地,也用現(xiàn)在進(jìn)行時,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.”及語境可知,此處表達(dá)的動作是正在進(jìn)行的,應(yīng)用現(xiàn)在進(jìn)行時,故選B。考查動詞時態(tài)。這些天她正在寫??疾閯釉~時態(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,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。 ——對此我很抱歉。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”的語境可知,后句動作應(yīng)是解析:C【詳解】句意:動物園管理員很擔(dān)心,因?yàn)橛慰蛿?shù)量越來越少。根據(jù)前面的“One moment!”可知,判斷設(shè)空處的動作“發(fā)送電子郵件”在說話時刻正在進(jìn)行著,所以用現(xiàn)在進(jìn)行時;現(xiàn)在進(jìn)行時的構(gòu)成是:主語+am/is/are+動詞的現(xiàn)在分詞;主語是He,be動詞用is,send的現(xiàn)在分詞是sending;故選A。她正在打掃教室。我在看姚