【正文】 s ________ happily in the tree outside the window.A．sing B．sang C．a(chǎn)re singing D．were singing5．—Where is your father, Lily?—He ________ in the kitchen.A．cooked B．cooks C．will cook D．is cooking6．Listen! The boy ________ the piano again.A．plays B．played C．will play D．is playing7．—Where is John?—He is in the kitchen. He ________ the dishes now.A．will wash B．is washing C．washes D．washed8．—Tony, hurry up! We ________ for you now.—Just one minute.A．wait B．waited C．have waited D．a(chǎn)re waiting9．—What about going to the cinema? There’s a new movie called Hi, Mom.—Not now, I ________ my brother Tony with his English.A．help B．helped C．a(chǎn)m helping D．have helped10．—Hi, Daming. What are you up to?—I ________ a project about family history.A．do B．did C．a(chǎn)m doing D．was doing11．Betty can’t join us in the card game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning12．—Peter, please be quiet. Your brother ________ on the phone.—No problem.A．records B．recorded C．was recording D．is recording13．You’d better not disturb Kathy now as she ________ her speech for tomorrow’s meeting.A．is preparing B．will prepare C．was preparing D．has prepared14．— Lena, I guess you were in a hurry this morning. You ________ your sweater inside out.— Oh my god, I’ll have it changed immediately.A．wore B．a(chǎn)re wearing C．were wearing D．have worn15．Ladies and gentlemen, please remain in your seats, fasten your seat belt and bring your seat back. The plane________.A．takes off B．is taking off C．has taken off D．took off16．Listen! Someone __________ in the next room.A．sings B．sang C．was singing D．is singing17．—Mary, let39?？疾閯釉~時態(tài)。根據(jù)句意問句詢問媽媽現(xiàn)在在哪里，可知是現(xiàn)在進行時，表示媽媽正在做飯。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，故應用現(xiàn)在時，且根據(jù)語境可知，貝蒂不能來的原因是她正在打掃教室，故句子應用現(xiàn)在進行時，其構(gòu)成是am/is/are doing?？疾闀r態(tài)?？疾楝F(xiàn)在進行時。他正在洗碗。根據(jù)“Tony, hurry up! We…for you now.”可知，此處強調(diào)動作正在發(fā)生，用現(xiàn)在進行時，故選解析：D【詳解】句意：——托尼，快點！我們現(xiàn)在在等你?！F(xiàn)在不行，我在幫我弟弟托尼學英語。你在忙什么？——我正在做一個關于家族史的項目。考查動詞時態(tài)。你哥哥正在手機上錄音。prepare準備；is preparing現(xiàn)在進行時；will prepare一般將來時；was preparing過去進行時；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)在進行時。——哦，天吶！我馬上把它換過來。飛機正在起飛。根據(jù)“Listen!”可知，本句時態(tài)是現(xiàn)在進行時，主語“Someone”表單數(shù)，故選D。考查時態(tài)。get變得。read讀書，原形；reads讀書，第三人稱單數(shù)； is reading 正在讀書，現(xiàn)在進行解析：C【詳解】句意：——你好。故選C。now現(xiàn)在，是現(xiàn)在進行時的標志，需用be doing結(jié)構(gòu)；主語students復數(shù)人稱，be動詞用are，故選C?？疾闀r態(tài)。我正在掃地。我被告知將它將在兩天后出來。根據(jù)“now”可知，時態(tài)為現(xiàn)在進行時，結(jié)構(gòu)為：am/is are doing，主語為She，be動詞用is。26．C【詳解】句意：——你媽媽在哪里，基蒂？——她正在廚房里做晚飯。故選C。根據(jù)“where is your father now”可知是問父親現(xiàn)在正在解析：A【詳解】句意：——麗麗，我們的父親現(xiàn)在在哪里？去叫他來吃午飯?？疾閯釉~時態(tài)和the number of的用法?？疾闀r態(tài)。根據(jù)“You’d better not go this way”可知，工人們正在修路，所以建議不要走這邊，此處使用現(xiàn)在進行時，結(jié)構(gòu)為be doing。一起來看吧。你介意晚一點去嗎？考查現(xiàn)在進行時。prepares一般現(xiàn)在時(主語是三單形式) ；is preparing現(xiàn)在進行時；has prepare解析：B【詳解】句意：——我找不到大衛(wèi)，他在哪兒？——他在家準備明天的比賽。clean動詞原形；cleaned表一般過去時；am cleaning表現(xiàn)在進行時；have c解析：C【詳解】句意：——艾米，你能去開門嗎？我正在打掃房間。根據(jù)“Sorry, you can’t take the eraser away, Tony.”可知，說這句話的同時，我解析：D【詳解】句意：對不起，托尼你不能拿走橡皮。根據(jù)“It smells so good.”可知，它現(xiàn)在聞起來非常好，因此表示媽媽正在煮魚，所以用現(xiàn)在進行時，故選B?？疾闀r態(tài)辨析?？疾楝F(xiàn)在進