【正文】 現(xiàn)在進(jìn)行時(shí)，其構(gòu)成是am/is/are doing。14．B【詳解】句意：現(xiàn)在，位于森林路的ABC電影院正在放映老電影《羅馬假日》。根據(jù)“What’s that noise, Sam?”判斷，此處應(yīng)該用現(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)是：be（am/解析：B【詳解】句意：——什么聲音，山姆？ ——我弟弟正在玩他的玩具車。考查動(dòng)詞時(shí)態(tài)辨析。考查動(dòng)詞時(shí)態(tài)辨析。考查現(xiàn)在進(jìn)行時(shí)。格林女士正在和她的朋友喝茶?？疾閯?dòng)詞時(shí)態(tài)。他們正在開派對(duì)。考查動(dòng)詞時(shí)態(tài)。我被告知（面試）結(jié)果將在兩天后知道。plays動(dòng)詞第三人稱單數(shù)形式；played表一般過去時(shí)；will play表一般將來時(shí)；is playing表現(xiàn)在進(jìn)行時(shí)?？疾楝F(xiàn)在進(jìn)行時(shí)。句中“Listen”是現(xiàn)在進(jìn)行時(shí)態(tài)的標(biāo)志詞，其結(jié)構(gòu)為am/is/are+動(dòng)詞現(xiàn)在分詞，主語“The birds”是復(fù)數(shù)，be動(dòng)詞解析：C【詳解】句意：聽!鳥兒在窗外的樹上快樂地歌唱。根據(jù)問句“What’s that noise, Mike?”可知，提到的聲響是現(xiàn)有的，結(jié)合答句中“now”可知，是說現(xiàn)在正在進(jìn)行的動(dòng)作，用現(xiàn)在進(jìn)行時(shí)。6．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?？疾閯?dòng)詞時(shí)態(tài)。考查現(xiàn)在進(jìn)行時(shí)的用法。故選D。根據(jù)句意可知，貝蒂不能加入我們是因?yàn)樗诖驋呓淌?，?qiáng)調(diào)此時(shí)此刻正在做什么，用現(xiàn)在進(jìn)行時(shí)(am/is/are doi解析：D【詳解】句意：貝蒂不能和我們一起玩紙牌游戲。故選C。根據(jù)題解析：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(shí)。故選A?？疾闀r(shí)態(tài)。t find Mike in the classroom. Where is he?—Oh, he ________ in the library.A．was studying B．studied C．is studying D．studies19．—Hurry up!—One moment. I ________ my s.A．reading B．a(chǎn)m reading C．was reading D．have read20．—Hello, may I speak to Jim?—Sorry, he ________ an important meeting now.A．has B．is having C．will have D．was having21．Don’t make any noise, Jim! Your little sister ________ now.A．sleeps B．slept C．is sleeping D．will sleep22．You’d better not go this way. The workers _________ the road. A．have repaired B．a(chǎn)re repairing C．repaired D．will repair23．— Mom, I’m busy making the bed. Can you give me a hand? — Wait a moment. I ________ the floor.A．a(chǎn)m cleaning B．will clean C．was cleaning D．have cleaned24．— 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．— Hi, Tom. I can’t find David anywhere. Do you know where he is?—Oh, he ________ for tomorrow’s exam at home.A．prepares B．is preparing C．has prepared D．prepared26．—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 lost27．—Lucy, where is Mimi?—She ________ under the chair.A．sleeps B．slept C．is sleeping D．will sleep28．—Where’s Kelly, Mum?—She ________ a poster for the munity in her bedroom.A．makes B．will make C．made D．is making29．My oil ________. I must go to the gas station before there is none left.A．has run out B．is running out C．has been run out D．is being run out30．Be quiet. Your brother ________ classes online.A．has B．is having C．will have D．had31．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．learn32．—Ethan, let’s go to play basketball, shall we?—Sorry, I can’t. I ________Yao Ming’s game. Would you mind going later?A．watch B．have watched C．a(chǎn)m watching D．was watching33．— Where is Tom?— Look! He ________with the teacher over there.A．talk B．talks C．talked D．is talking34．—Where’s Nick?—He ________ classes at school.A．had B．will have C．is h