【正文】 的第三人稱單數(shù)形式；fly是動(dòng)詞原形；flew是fly的過去式。結(jié)構(gòu)為：主語+will/shall+動(dòng)詞原形、主語+am/is/are+動(dòng)名詞?！Ｄ懵猛居淇?。結(jié)構(gòu)為：主語+will/shall+動(dòng)詞原形、主語+am/is/are+動(dòng)名詞。——祝你旅途愉快。故選B。根據(jù)“Hurry up”可知此處表達(dá)的是現(xiàn)在正在做的事，用現(xiàn)在進(jìn)行時(shí)be doing?？疾閯?dòng)詞的的時(shí)態(tài)。reading 動(dòng)名詞；am reading動(dòng)詞的現(xiàn)在進(jìn)行時(shí)；was reading過去進(jìn)行時(shí)；have read動(dòng)詞解析：B【詳解】句意：——趕緊?！纫粫?huì)，我正在讀我的郵件。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?？疾楝F(xiàn)在進(jìn)行時(shí)。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。14．D【詳解】句意：聽！有人正在旁邊的房間里唱歌?？疾闀r(shí)態(tài)?？疾闀r(shí)態(tài)。故選A?？疾閯?dòng)詞時(shí)態(tài)。我真得要走了?？疾閯?dòng)詞時(shí)態(tài)。我真得要走了。故選C。考查動(dòng)詞時(shí)態(tài)。根據(jù)前句“Not now”語境可知，后句的動(dòng)作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時(shí)，構(gòu)成解析：C【詳解】句意：——去看電影怎么樣？有部叫《嗨，媽媽》的新電影?！F(xiàn)在不行，我在幫我弟弟托尼學(xué)英語。touch摸，主語they是復(fù)數(shù)人稱，系詞需用are，故選D?？疾閯?dòng)詞時(shí)態(tài)辨析。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)。10．D【詳解】句意：——軍官們在哪兒？——瞧！他們正在宮殿里摸象。根據(jù)“Look”可知現(xiàn)在正在跳舞，用現(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)為be doing。解析：C【詳解】句意：看，許多人在公園里跳舞。根據(jù)“Look”可知現(xiàn)在正在跳舞，用現(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)為be doing。9．C【詳解】句意：看，許多人在公園里跳舞。考查時(shí)態(tài)?！獙Σ黄??？疾闀r(shí)態(tài)?！獙Σ黄?。故選A。考查動(dòng)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伞９蔬xB。 考查現(xiàn)在進(jìn)行時(shí)。 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students復(fù)數(shù)人稱，be動(dòng)詞用are，故選C。他們現(xiàn)在正在開會(huì)。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students復(fù)數(shù)人稱，be動(dòng)詞用are，故選C。他們現(xiàn)在正在開會(huì)。故選A?？疾闀r(shí)態(tài)?？疾闀r(shí)態(tài)。故填B?？疾閯?dòng)詞時(shí)態(tài)。根據(jù)前句“The noise es from the boys.”語境可推知，后句中動(dòng)作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時(shí)，構(gòu)成形式解析：B【詳解】句意：噪音來自那群男孩。他們正在開派對。故選B。選項(xiàng)A為一般將來時(shí)；選項(xiàng)B為現(xiàn)在進(jìn)行時(shí)；選項(xiàng)C為現(xiàn)在完成時(shí)；選項(xiàng)D為過去進(jìn)行時(shí)。 ——他正在為下周舉行的英語演講比賽做準(zhǔn)備。選項(xiàng)A為一般將來時(shí)；選項(xiàng)B為現(xiàn)在進(jìn)行時(shí)；選項(xiàng)C為現(xiàn)在完成時(shí)；選項(xiàng)D為過去進(jìn)行時(shí)。 ——他正在為下周舉行的英語演講比賽做準(zhǔn)備。故選C?？疾閯?dòng)詞時(shí)態(tài)。故解析：C【詳解】句意：——Candy，你能幫我洗碗嗎？——對不起，媽媽。考查動(dòng)詞時(shí)態(tài)。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．It dark. Shall I turn on the light？A．gets B．got C．is getting D．was getting20．—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 have21．—Lily, where is our father now? Go and get him for lunch. —Just a moment, please. Father ________ a phone call in his room.A．is making B．was making C．makes D．has made22．—Has your aunt finished writing her novel?—Not yet. She ________ it these days.A．wrote B．writes C．is writing D．will write23．Joe, answer the phone for me. I ________ how to make dumplings in the kitchen.A．learned B．a(chǎn)m learning C．have learned D．learn24．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 make25．You had better not go this way. The workers _________ the road.A．have repaired B．a(chǎn)re repairing C．repaired D．will repair26．— 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 cleaned27．— 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 d