【正文】 play D．is playing5．Betty can’t join us in the game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning6．—Where is your father, Lily?—He ________ in the kitchen.A．cooked B．cooks C．will cook D．is cooking7．— What’s that noise, Sam?— My little brother ________ his toy car.A．played B．is playing C．plays D．was playing8．—Hi, Daming. What are you up to?—I ________ a project about family history.A．do B．did C．a(chǎn)m doing D．was doing9．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 bee10．—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 have11．—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 helped12．—Candy, could you please help me do the dishes?—Sorry, Mom. I ________ my homework.A．do B．did C．a(chǎn)m doing D．have done13．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．—May I use your puter? —Sorry, I ________ on it.A．work B．worked C．have worked D．a(chǎn)m working15．— 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 worn16．—I can39。3．A【詳解】句意：——你好！我可以和湯姆講話嗎？——等一下，他正在發(fā)電子郵件?？疾楝F(xiàn)在進(jìn)行時(shí)?？疾閯?dòng)詞時(shí)態(tài)。又因?yàn)橹髡Z(yǔ)為He，單數(shù)，be動(dòng)詞用is?？疾閯?dòng)詞時(shí)態(tài)?？疾閯?dòng)詞時(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(shū)館學(xué)習(xí)”，其解析：C【詳解】句意：——我在教室里找不到邁克了?！Ｄ懵猛居淇臁９蔬xC?？疾闀r(shí)態(tài)辨析。考查時(shí)態(tài)。考查現(xiàn)在進(jìn)行時(shí)的用法?！炷模√ｋU(xiǎn)了。解析：B【詳解】句意：安靜點(diǎn)。你能幫我個(gè)忙嗎？——稍等。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)，其解析：D【詳解】句意：我奶奶正在欣賞這些老照片。 ——我來(lái)了，媽媽?？疾閯?dòng)詞時(shí)態(tài)辨析。結(jié)合選項(xiàng)，故選D。clean動(dòng)詞原形；cleaned表一般過(guò)去時(shí)；am cleaning表現(xiàn)在進(jìn)行時(shí)；have cleaned表現(xiàn)在完成時(shí)?？疾闀r(shí)態(tài)辨析?？疾閯?dòng)詞時(shí)態(tài)?？疾闀r(shí)態(tài)。根據(jù)“Look out!”可知，此處提示說(shuō)話時(shí)某事正在發(fā)生，應(yīng)用現(xiàn)在進(jìn)行時(shí)。27．A【詳解】句意：我聽(tīng)不見(jiàn)你說(shuō)話。我被告知將它將在兩天后出來(lái)。我們一定會(huì)贏。我們?nèi)椭伞＝Y(jié)構(gòu)為：主語(yǔ)+will/shall+動(dòng)詞原形、主語(yǔ)+am/is/are+動(dòng)名詞?？疾楝F(xiàn)在進(jìn)行時(shí)。故選D。故選C。11．C【詳解】句意：——去看電影怎么樣？有部叫《嗨，媽媽》的新電影。你在忙什么？——我正在做一個(gè)關(guān)于家族史的項(xiàng)目。故選D。根據(jù)前面的“One moment!”可知，判斷設(shè)空處的動(dòng)作“發(fā)送電子郵件”在說(shuō)話時(shí)刻正在進(jìn)行著，所以用解析：A【詳解】句意：——你好！我可以和湯姆講話嗎？——等一下，他正在發(fā)電子郵件。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 helped20．Grandma ________ dinner. Let’s go and help her.A．is making B．makes C．made D．was making21．Don’t make any noise, Jim! Your little sister ________ now.A．sleeps B．slept C．is sleeping D．will sleep22．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．You’d better not go this way. The workers _________ the road. A．have repaired B．a(chǎn)re repairing C．repaired D．will repair24．— Helen, how was your English petition on Monda