【正文】 句中動作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時，構(gòu)成形式為be doing；主語“They”是復(fù)數(shù)形式，be用are；have的現(xiàn)在分詞是having。listen to聽；根據(jù)上文“I can’t hear you”，可知是因為正在聽演講，所以聽不到你說話，需用現(xiàn)在進(jìn)行時，結(jié)構(gòu)為am/is/are doing。考查現(xiàn)在進(jìn)行時的用法。根據(jù)“Where is your mother, Kitty?”可知，此處是詢問當(dāng)前的情況，表示正在做某事，用現(xiàn)解析：C【詳解】句意：——你媽媽在哪里，基蒂？——她正在廚房里做晚飯?？疾閯釉~時態(tài)。24．D【詳解】句意：——海倫，你在星期一的英語比賽怎么樣？——我不知道，我正在等結(jié)果。23．B【詳解】句意：我們組的同學(xué)正在為比賽做最后的準(zhǔn)備?？疾閯釉~時態(tài)。根據(jù)“Where’s Nick?”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/is/are doing?？疾闀r態(tài)。read讀書，原形；reads讀書，第三人稱單數(shù)； is reading 正在讀書，現(xiàn)在進(jìn)行時；was reading正在讀書，過去進(jìn)行時。19．C【詳解】句意：——你好。18．C【詳解】句意：天正在變黑，我可以打開燈嗎？考查現(xiàn)在進(jìn)行時。17．B【詳解】句意：——弗蘭克在哪兒？——他正在房間里聽音樂?？疾闀r態(tài)。考查動詞的的時態(tài)。根據(jù)next year可知是一般將來時態(tài)。——真的？ 我聽說他明年要去美國。prepare準(zhǔn)備；is preparing現(xiàn)在進(jìn)行時；will prepare一般將來時；was preparing過去進(jìn)行時；has prepared現(xiàn)在完成時；根據(jù)時間狀語“now”可知，句子時態(tài)采用現(xiàn)在進(jìn)行時。根據(jù)“I must leave now.”可知，我哥哥現(xiàn)在正在外面等我，時態(tài)是現(xiàn)在進(jìn)行時，結(jié)構(gòu)：am/is/are+解析：C【詳解】句意：我現(xiàn)在必須離開了，我哥哥正在外面等我。根據(jù)語境可知，此時不能幫媽媽洗碗，是因為正在做作業(yè)，應(yīng)用現(xiàn)在進(jìn)行時，構(gòu)成形式為：be doing。解析：B【詳解】句意：——你好，我可以和吉姆講話嗎？——對不起，他正在開一個重要的會。考查動詞時態(tài)。根據(jù)語境及“at the moment”可知，打來電話的時候，布朗先生正在開會，時態(tài)用現(xiàn)解析：C【詳解】句意：——我能和布朗先生通電話嗎？——很抱歉，他現(xiàn)在正在辦公室召開重要的會議?？疾闀r態(tài)?？疾閯釉~時態(tài)。4．B【詳解】句意：——什么聲音，山姆？ ——我弟弟正在玩他的玩具車。故選B。由“I really need to go now. My children…for me at school”可知，因為孩子們正在學(xué)校等我，所以我真得要走，故本句為現(xiàn)在進(jìn)行時態(tài)。s not at home. She___________in the library.A．read B．reads C．is reading D．was reading20．—Peter, please be quiet. Your brother ________ on the phone.—No problem.A．records B．recorded C．was recording D．is recording21．—Where’s Nick?—He ________ classes at school.A．had B．will have C．is having D．was having22．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．learn23．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 make24．— 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 days.A．was waiting B．waited C．will wait D．a(chǎn)m waiting25．—What is your mother doing, Linda? —She ________ dinner in the kitchen now.A．is cooking B．was cooking C．cooks D．cooking26．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook27．—How do you find your pany?—A little worried. We ________ ground as a leader in the field of IT with the others speeding up development.A．a(chǎn)re losing B．were losing C．lost D．have lost28．I can’t hear you. I ______ to an English speech.A．a(chǎn)m listening B．listen C．was listening29．The noise es from the boys. They _______ a party.A．have B．a(chǎn)re having C．will have D．have had30．—Tina, let’s go out for shopping.—Sorry, Amy. I __________ my homework.A．do B．a(chǎn)m doing C．did31．—Mary, may I use your ipad for an hour?—Sorry. I ________ on it.A．work B．a(chǎn)m working C．have worked D．worked32．—I can’t find David. Where is he?— He________ for tomorrow’s petition at home.A．prepares B．is preparing C．has prepared D．prepared33．—J