【正文】 圖書館學(xué)習(xí)”，其解析：C【詳解】句意：——我在教室里找不到邁克了。他在哪里？——哦，他在圖書館學(xué)習(xí)。故選D。考查動詞時態(tài)?？疾閯釉~時態(tài)。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(jìn)行時，故選B。它聞起來非常好。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(jìn)行時，故選B。它聞起來非常好。故選B?？疾閯釉~時態(tài)。考查動詞時態(tài)。故選D?？疾閯釉~時態(tài)。根據(jù)句意可知，貝蒂不能加入我們是因為她正在打掃教室，強(qiáng)調(diào)此時此刻正在做什么，用現(xiàn)在進(jìn)行時(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。她正在打掃教室。根據(jù)“What are you up to”可知，答語要用現(xiàn)在進(jìn)行時，表示現(xiàn)在正在進(jìn)行的動作，結(jié)構(gòu)為am/is/are doing，故選C。你在忙什么？——我正在做一個關(guān)于家族史的項目?？疾閯釉~時態(tài)。8．C【詳解】句意：——嗨，大明。根據(jù)“What’s that noise, Sam?”判斷，此處應(yīng)該用現(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)“What’s that noise, Sam?”判斷，此處應(yīng)該用現(xiàn)在進(jìn)行時，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。7．B【詳解】句意：——什么聲音，山姆？ ——我弟弟正在玩他的玩具車。考查動詞時態(tài)辨析。解析：C【詳解】句意：請保持安靜?？疾閯釉~時態(tài)辨析。6．C【詳解】句意：請保持安靜。根據(jù)前句“The noise es from the boys.”語境可推知，后句中動作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時，構(gòu)成形式為be doing；主語“They”是復(fù)數(shù)形式，be用are；have的現(xiàn)在分詞是having。他們正在開派對?？疾閯釉~時態(tài)。5．B【詳解】句意：噪音來自那群男孩。根據(jù)句中“Listen”提示，動作正在發(fā)生，故應(yīng)用現(xiàn)在進(jìn)行時。考查現(xiàn)在進(jìn)行時。plays動詞第三人稱單數(shù)形式；played表一般過去時；will play表一般將來時；is playing表現(xiàn)在進(jìn)行時。4．D【詳解】句意：聽！這個男孩又在彈鋼琴了。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?！F(xiàn)在不行，我在幫我弟弟托尼學(xué)英語?？疾閯釉~時態(tài)。3．C【詳解】句意：——去看電影怎么樣？有部叫《嗨，媽媽》的新電影。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。考查動詞時態(tài)。根據(jù)語解析：B【詳解】句意：——我有幾天沒見到杰克了。考查動詞時態(tài)。2．B【詳解】句意：——我有幾天沒見到杰克了。由“I really need to go now. My children…for me at school”可知，因為孩子們正在學(xué)校等我，所以我真得要走，故本句為現(xiàn)在進(jìn)行時態(tài)。我的孩子們在學(xué)校等我。由“I really need to go now. My children…for me at school”可知解析：A【詳解】句意：請原諒我。我的孩子們在學(xué)校等我。s not at home. She___________in the library.A．read B．reads C．is reading D．was reading19．—Where is mum？ —She________in the kitchen．A．cooks B．is cooking C．will cook D．cooked20．—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 have21．—I _______ a book report now. Can I talk to you later?—No problem.A．write B．wrote C．a(chǎn)m writing D．was writing22．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 had better not go this way. The workers _________ the road.A．have repaired B．a(chǎn)re repairing C．repaired D．will repair24．— 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 cleaned25．— 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．My father ________ Beijing next week.A．leaves for B．is leaving for C．left D．leaves27．—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 lost28．—Lily, where is our father now? Go and get him for lunch. —Just a moment, please. Father ________ a phone call in h