【正文】 。故選D。故選D。根據(jù)“Not yet. She…it these days.”可知，動(dòng)作還未完成，現(xiàn)在也在做，所以用現(xiàn)在進(jìn)行時(shí)，故選C?？疾楝F(xiàn)在進(jìn)行時(shí)?？疾闀r(shí)態(tài)?？疾闀r(shí)態(tài)。根據(jù)“Where is your father, David?”可知，此處是詢問當(dāng)前的情況，強(qiáng)調(diào)動(dòng)作正在進(jìn)行，用現(xiàn)在進(jìn)行時(shí)，結(jié)構(gòu)為：am/is/are + 動(dòng)詞現(xiàn)在分詞，主語為he，be動(dòng)詞用is。29．C【詳解】句意：——大衛(wèi)，你爸爸在哪里？ ——他正在花園里洗車。解析：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。故選C。故選C。根據(jù)“We…ground as a leader in the field of IT with the others speeding up development.”可知，此處強(qiáng)調(diào)動(dòng)作正在進(jìn)行中，用現(xiàn)在進(jìn)行時(shí)，故選A。考查現(xiàn)在進(jìn)行時(shí)的用法。根據(jù)“now”可知，時(shí)態(tài)為現(xiàn)在進(jìn)行時(shí)，結(jié)構(gòu)為：am/is are doing，主語為She，be動(dòng)詞用is。考查動(dòng)詞時(shí)態(tài)?？疾閯?dòng)詞時(shí)態(tài)。工人們正在修路?？疾闀r(shí)態(tài)辨析。我們一定會(huì)贏。考查動(dòng)詞時(shí)態(tài)。“我”正在廚房學(xué)習(xí)如何包餃子，沒時(shí)間接電話，所以請(qǐng)求喬幫忙接電話；某一時(shí)刻正在做某事，應(yīng)為進(jìn)行時(shí)態(tài)。故選A。 ——等一下。我正在廚房煮咖啡。故選B。 考查現(xiàn)在進(jìn)行時(shí)。gets動(dòng)詞的第三人稱單數(shù)；got動(dòng)詞的過去式；is getting現(xiàn)在進(jìn)行時(shí)；was getting過去進(jìn)行時(shí)。get變得?？疾楝F(xiàn)在進(jìn)行時(shí)?？疾楝F(xiàn)在進(jìn)行時(shí)。故選C。我在商店里買一些零食。我在商店里買一些零食。考查時(shí)態(tài)。考查時(shí)態(tài)。takes off動(dòng)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(cè)出此處是用現(xiàn)在進(jìn)行時(shí)表將來，故選B?？疾闀r(shí)態(tài)。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)。14．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?huì)議準(zhǔn)備演講。我的孩子們?cè)趯W(xué)校等我。我的孩子們?cè)趯W(xué)校等我。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。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。根據(jù)上文“don’t make noise”可知，不讓出聲是因?yàn)槭访芩固诓?bào)最新消息，應(yīng)用現(xiàn)在進(jìn)行時(shí)，故選D。presents動(dòng)詞第三人稱單數(shù)形式；presented表一般過去時(shí)；has pre解析：D【詳解】句意：——噓，別出聲！史密斯太太正在演播室里播報(bào)最新消息。touch摸，主語they是復(fù)數(shù)人稱，系詞需用are，故選D。look“看”用于提醒，后面的句子需用現(xiàn)在進(jìn)行時(shí)“be doing”結(jié)構(gòu)。根據(jù)句意“…before there is none left”可知，油還沒有用完，快要用完了，這里用現(xiàn)在進(jìn)行時(shí)表示“將要，快要”。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。9．B【詳解】句意：我的油快要用完了。解析：C【詳解】句意：請(qǐng)保持安靜。8．C【詳解】句意：請(qǐng)保持安靜。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，說明這解析：D【詳解】句意：我不能把我的英語書借給你，因?yàn)檫@些天我在用它?？疾閯?dòng)詞時(shí)態(tài)。故選C?？疾閯?dòng)詞時(shí)態(tài)和the number of的用法。考查現(xiàn)在進(jìn)行時(shí)的用法。故選B?？疾閯?dòng)詞時(shí)態(tài)。我稍后給你。s not at home.”可知，這里是現(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)是be doing的形式。她正在圖書館看書。她正在圖書館看書?？疾闀r(shí)態(tài)。考查時(shí)態(tài)。s time for school. Why not get on the bus?—Linda hasn39。s not at home. She___________in the library.A．read B．reads C．is reading D．was reading3．—Jack, can you lend me your camera?—Sorry, I________ it. I will give it to you later.A．used B．a(chǎn)m using C．have used D．was using4．—Can Peter play games with us, Mrs. Hawking?—Wait a minute. He ________ a shower.A．is taking B．taken C．took D．was taking5．The zoo keeper is worried because the number of visitors ________ smaller and smaller.A．bee B．a(chǎn)re being C．is being D．have bee6．—Hello! May I speak to Tom?—One moment! He _______ an .A．is sending B．sent C．sends D．was sending7．I can’t lend you my English book, because I _______ it these days.A．use B．have used C．used D．a(chǎn)m using8．Be quiet, please. They _________ a meeting now.A．have B．had C．a(chǎn)re having D．were having9．My oil ________. I must go to the gas station before there is none left.A．has run out B．is running out C．has been run out D．is being run out10．— Where are the officers? — Look! They ________ the elephant in the palace now.A．touched B．will touch C．touch D．a(chǎn)re touching11．— Shh, don’t make noise! Mrs. Smit