【正文】 oin us in the card game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning4．—Where is your father, David?—He ________ the car in the garden.A．will wash B．washed C．is washing D．was washing5．—Jack, can you lend me your camera?—Sorry, I________ it. I will give it to you later.A．used B．a(chǎn)m using C．have used D．was using6．—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 helped7．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 bee8．—What’s that noise, Mike?—My little sister ________ with her toy car now.A．plays B．played C．will play D．is playing9．—Bob, can you take the dog for a walk?—Sorry, Dad. I ________ an online class.A．take B．took C．a(chǎn)m taking D．have taken10．—Hello, may I speak to Jim?—Sorry, he ________ an important meeting now.A．has B．is having C．will have D．was having11．—Tom, where is your father?—He ________ my bike.A．is repairing B．repairs C．has repaired D．will repair12．Be quiet, please. They _________ a meeting now.A．have B．had C．a(chǎn)re having D．were having13．— What’s that noise, Sam?— My little brother ________ his toy car.A．played B．is playing C．plays D．was playing14．—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 have15．— Where are the officers? — Look! They ________ the elephant in the palace now.A．touched B．will touch C．touch D．a(chǎn)re touching16．—May I use your puter? —Sorry, I ________ on it.A．work B．worked C．have worked D．a(chǎn)m working17．—I can39。2．B【詳解】句意：——我有幾天沒見到杰克了。根據(jù)語境可知，英語演講比賽下周舉行，杰克現(xiàn)在應(yīng)該是正在準(zhǔn)備，因此用現(xiàn)在進(jìn)行時；其結(jié)構(gòu)是：be（am/is /are）+動詞的現(xiàn)在分詞。根據(jù)句意可知，貝蒂不能加入我們是因?yàn)樗诖驋呓淌遥瑥?qiáng)調(diào)此時此刻正在做什么，用現(xiàn)在進(jìn)行時(am/is/are doing)。5．B【詳解】句意：——杰克，你能把你的照相機(jī)借給我嗎？——抱歉，我正在用?！罢谟谩睍r態(tài)是現(xiàn)在進(jìn)行時。根據(jù)前句“Not now”語境可知，后句的動作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時，構(gòu)成形式為be doing；主語“I”是第一人稱單數(shù)形式，故助動詞應(yīng)用am；help的現(xiàn)在分詞是helping。8．D【詳解】句意：——邁克，那是什么聲音？——我的弟弟現(xiàn)在正在玩他的玩具汽車?？疾楝F(xiàn)在進(jìn)行時態(tài)。主語he后接be動詞is?？疾闀r態(tài)辨析。now現(xiàn)在，是現(xiàn)在進(jìn)行時的標(biāo)志，需用be doing結(jié)構(gòu)；主語students復(fù)數(shù)人稱，be動詞用are，故選C。 考查現(xiàn)在進(jìn)行時。又因?yàn)橹髡Z為He，單數(shù)，be動詞用is。touch摸，主語they是復(fù)數(shù)人稱，系詞需用are，故選D。他在哪里？——哦，他在圖書館學(xué)習(xí)?？疾楝F(xiàn)在進(jìn)行時?？疾楝F(xiàn)在進(jìn)行時?？疾闀r態(tài)。解析：B【詳解】句意：安靜點(diǎn)。這些天她正在寫。解析：B【詳解】句意：喬，替我接電話。根據(jù)“We are sure to win.”可知正在做最后的準(zhǔn)備，用現(xiàn)在進(jìn)行時，其結(jié)構(gòu)為am/is/are d解析：B【詳解】句意：我們組的同學(xué)正在為比賽做最后的準(zhǔn)備。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(jìn)行時，結(jié)解析：B【詳解】句意：你最好不要走這邊。根據(jù)“I have no idea”可知，此處表示我現(xiàn)在不知道，現(xiàn)在正在解析：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。根據(jù)題干“he…for tomorrow’s exam at home解析：B【詳解】句意：——嗨，湯姆。根據(jù)“now”可知，時態(tài)為現(xiàn)在進(jìn)行時，結(jié)構(gòu)為：am/is are doing，主語為She，be動詞用is。run out用完，用盡，是一個動詞短語，不能用于被動語態(tài)?！炷?！太危險了。故選C。故選B。考查動詞時態(tài)。你介意晚一點(diǎn)去嗎？考查現(xiàn)在進(jìn)行時?？疾楝F(xiàn)在進(jìn)行時?？疾闀r態(tài)辨析?？疾閯釉~時態(tài)。38．D【詳解】句意：對不起，托尼你不能拿走橡皮。39．D【詳解】句意：——麥琪，你能幫我接電話嗎？它在響。40．A【詳解】句意：我聽不見你說話。