【正文】 根據(jù)“Xifeng Street is closed today”可知，今天工人正在維修，因此應(yīng)該使用現(xiàn)在進(jìn)行時(shí)。考查時(shí)態(tài)。根據(jù)句中“Look!”提示，此處表示正在發(fā)生的動(dòng)作，故句子應(yīng)用現(xiàn)在進(jìn)行時(shí)。根據(jù)“There is a big smile on her face.”可知現(xiàn)在正在欣賞老照片，用現(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)為am/is/are doing。根據(jù)上句“Betty can’t join us in the game”，此處指的是現(xiàn)在發(fā)生的事，故應(yīng)用現(xiàn)在時(shí)，且根據(jù)語(yǔ)境可知，貝蒂不能來(lái)的原因是她正在打掃教室，故句子應(yīng)用現(xiàn)在進(jìn)行時(shí)，其構(gòu)成是am/is/are doing。根據(jù)“Sorry, you can’t take the eraser away, Tony.”可知，說(shuō)這句話的同時(shí)，我正在使用橡皮，所以用現(xiàn)在進(jìn)行時(shí)，又因?yàn)橹髡Z(yǔ)是I，所以用am using。我正在廚房學(xué)習(xí)如何包餃子。解析：B【詳解】句意：媽媽正在廚房煮魚(yú)。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/is/are doing。根據(jù)“can you take the dog for a walk?”以及回答“Sorry, Dad.”可知句子時(shí)態(tài)應(yīng)用現(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)為be+動(dòng)詞的現(xiàn)在分詞，主語(yǔ)是I，be動(dòng)詞用am，take的現(xiàn)在分詞是taking，故選C。故選D。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。由此可推斷我正在用，稍后借給你，符合語(yǔ)境。故選A?？疾楝F(xiàn)在進(jìn)行時(shí)態(tài)?？疾楝F(xiàn)在進(jìn)行時(shí)態(tài)?？疾閯?dòng)詞時(shí)態(tài)和the number of的用法。故選B。我稍后給你。 ——對(duì)此我很抱歉。我被告知（面試）結(jié)果將在兩天后知道。34．C【詳解】句意：——鮑勃，你能去遛遛狗嗎？——對(duì)不起，爸爸?？疾闀r(shí)態(tài)?！拔摇闭趶N房學(xué)習(xí)如何包餃子，沒(méi)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)。31．B【詳解】句意：?jiǎn)?，替我接電話?0．D【詳解】句意：對(duì)不起，托尼你不能拿走橡皮。29．D【詳解】句意：貝蒂不能參加我們的比賽。28．D【詳解】句意：我奶奶正在欣賞這些老照片。27．D【詳解】句意：——湯姆在哪里？ ——看！他正在那邊和老師說(shuō)話。26．B【詳解】句意：安靜點(diǎn)。故選C。故選B?？疾闀r(shí)態(tài)辨析?？疾楝F(xiàn)在進(jìn)行時(shí)?？疾閯?dòng)詞時(shí)態(tài)。分析語(yǔ)境可知，上文詢問(wèn)時(shí)，弗蘭克正在房間里聽(tīng)音樂(lè)，故此處應(yīng)為進(jìn)行時(shí)態(tài)，結(jié)合上文中is可知，此處為現(xiàn)在進(jìn)行時(shí)。有一部新電影叫《復(fù)仇者聯(lián)盟4》。根據(jù) tomorrow及選項(xiàng)，可知謂語(yǔ)構(gòu)成用am+ flying，表示將來(lái)。17．C【詳解】句意：——明天我將坐飛機(jī)去北京?？疾閯?dòng)詞的的時(shí)態(tài)。15．D【詳解】句意：聽(tīng)！有人正在旁邊的房間里唱歌?？疾閯?dòng)詞時(shí)態(tài)?？疾闀r(shí)態(tài)。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。故選D。 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，be動(dòng)詞用are，故選C。他正在洗碗?？疾楝F(xiàn)在進(jìn)行時(shí)。根據(jù)句中“Listen”提示，動(dòng)作正在發(fā)生，故應(yīng)用現(xiàn)在進(jìn)行時(shí)。根據(jù)“I must leave now.”可知，我哥哥現(xiàn)在正在外面等我，時(shí)態(tài)是現(xiàn)在進(jìn)行時(shí)，結(jié)構(gòu)：am/is/are+動(dòng)詞ing，主語(yǔ)My brother是第三人稱單數(shù)，故be動(dòng)詞用is。考查動(dòng)詞時(shí)態(tài)。我真得要走了。s go to the cinema. There’s a new movie called Avengers IV. —Not now, I _____________ my brother David with his math.A．help B．helped C．a(chǎn)m helping D．have helped19．—Where is Frank?—He _________ to music in his room.A．listens B．is listening C．listened D．was listening20．—Hi, Daming. What are you up to?—I ________ a project about family history.A．do B．did C．a(chǎn)m doing D．was doing21．Be quiet! The students ________ an English exam.A．take B．a(chǎn)re taking C．took D．have made22．The students in our group ________ the final preparation for the match. We are sure to win.A．made B．a(chǎn)re making C．make D．will make23．My father ________ Beijing next week.A．leaves for B．is leaving for C．left D．leaves24．—Lucy, where is Mimi?—She ________ under the chair.A．sleeps B．slept C．is sleeping D．will sleep25．Xifeng Street is closed today because workers _______ some repairs.A．make B．made C．a(chǎn)re making D．were making26．Be quiet. Your brother ________ classes online.A．has B．is having C．will have D．had27．— Where is Tom?— Look! He ________with the teacher over there.A．talk B．talks C．talked D．is talking28．My grandma ________ the old photos. There is a big smile on her face.A．enjoys B．enjoyed C．will enjoy D．is enjoying29．Betty can’t join us in the game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cle