【正文】 作應(yīng)是正在進(jìn)行，故時(shí)態(tài)應(yīng)用現(xiàn)在進(jìn)行時(shí)，構(gòu)成形式為：be doing，故排除A、D項(xiàng)；the number of，表示“……的數(shù)量”，作主語時(shí)，謂語動(dòng)詞用單數(shù)形式，故排除B項(xiàng)。考查動(dòng)詞時(shí)態(tài)?？疾闀r(shí)態(tài)。t seen Jack for a couple of days. —He ________ for the English speaking petition which will take place next week.A．will prepare B．is preparing C．has prepared D．was preparing3．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 bee4．Look, many people ________ in the park.A．dance B．danced C．a(chǎn)re dancing D．will dance5．—Where is your father, Lily?—He ________ in the kitchen.A．cooked B．cooks C．will cook D．is cooking6．I must leave now. My brother ________ for me outside.A．waits B．waited C．is waiting D．was waiting7．Listen! The boy ________ the piano again.A．plays B．played C．will play D．is playing8．The noise es from the boys. They _______ a party.A．have B．a(chǎn)re having C．will have D．have had9．—Where is your father, David?—He ________ the car in the garden.A．will wash B．washed C．is washing D．was washing10．Be quiet, please. They _________ a meeting now.A．have B．had C．a(chǎn)re having D．were having11．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．Excuse me. I really need to go now. My children _____________for me at school.A．a(chǎn)re waiting B．waits C．wait D．waited14．— 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．—I can39。根據(jù)“Tom, please give me a hand in moving the piano.”及語境可知解析：C【詳解】句意：——湯姆，請(qǐng)幫我搬一下鋼琴。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)。考查動(dòng)詞時(shí)態(tài)和the number of的用法。故選C?？疾闀r(shí)態(tài)。7．D【詳解】句意：聽！這個(gè)男孩又在彈鋼琴了。8．B【詳解】句意：噪音來自那群男孩。9．C【詳解】句意：——大衛(wèi)，你爸爸在哪里？ ——他正在花園里洗車?？疾閯?dòng)詞時(shí)態(tài)辨析?？疾閯?dòng)詞時(shí)態(tài)?！獩]問題。我真得要走了。故選A?？疾闀r(shí)態(tài)?？疾闀r(shí)態(tài)。根據(jù)題干中“Where is he?”可知要回答現(xiàn)在在哪里，用現(xiàn)在進(jìn)行時(shí)表示“正在圖書館學(xué)習(xí)”，其結(jié)構(gòu)為be doing；主語“he”是第三人稱單數(shù)，be動(dòng)詞用is。解析：D【詳解】句意：——昨天我收到了安先生的來信?？疾閯?dòng)詞的的時(shí)態(tài)。19．B【詳解】句意：——媽媽在哪里？——她正在廚房做飯?？疾闀r(shí)態(tài)?？疾闀r(shí)態(tài)?？疾閯?dòng)詞時(shí)態(tài)。考查時(shí)態(tài)?？疾闀r(shí)態(tài)?？疾楝F(xiàn)在進(jìn)行時(shí)?？疾閯?dòng)詞時(shí)態(tài)辨析。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)。——天哪！太危險(xiǎn)了。——現(xiàn)在不行，我在幫我弟弟托尼學(xué)英語。我可以晚點(diǎn)再跟你談嗎？——沒問題?？疾闀r(shí)態(tài)。根據(jù)上文“Wait a moment”可知，蒂娜正在做其他事，故空格處所在句子應(yīng)用解析：A【詳解】句意：——蒂娜，電視節(jié)目已經(jīng)開始了?？疾閯?dòng)詞時(shí)態(tài)。她臉上掛著燦爛的笑容。真的很臟。face動(dòng)詞原形；faces第三人稱單數(shù)；is facing現(xiàn)在進(jìn)行時(shí)，主語為單數(shù)形式；are facing現(xiàn)在進(jìn)行解析：D【詳解】句意：目前，南蘇丹的許多兒童正面臨著饑餓的問題。我正用著呢。格林女士正在和她的朋友喝茶?？疾楝F(xiàn)在進(jìn)行時(shí)。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。根據(jù)“It’s 4 o’clock in the afternoon.”可知，此處強(qiáng)調(diào)在某一時(shí)刻正在發(fā)生的動(dòng)作，用現(xiàn)在進(jìn)行時(shí)，故選B。根據(jù)“Sorry, you can’t take the eraser away, Tony.”可知，說這句話的同時(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是I，所以用am using。face動(dòng)詞原形；faces第三人稱單數(shù)；is facing現(xiàn)在進(jìn)行時(shí)，主語為單數(shù)形式；are facing現(xiàn)在進(jìn)行