【正文】 24．A【詳解】句意：——媽媽，我在忙著鋪床。我們一定會(huì)贏。23．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)“Not yet. She…it these days.”可知，動(dòng)作還未完成，現(xiàn)在也在做，所以用現(xiàn)解析：C【詳解】句意：——你姑姑寫完小說(shuō)了嗎?？——現(xiàn)在還沒有。根據(jù)“Be quiet.”及語(yǔ)境可知，此處表達(dá)的動(dòng)作是正在進(jìn)行的，應(yīng)用現(xiàn)在進(jìn)行時(shí)，故選B。根據(jù)“Be quiet.”及語(yǔ)境可知，此處表達(dá)的動(dòng)作是正在進(jìn)行的，應(yīng)用現(xiàn)在進(jìn)行時(shí)，故選B。故選B。他正在洗碗。20．B【詳解】句意：——約翰在哪里？——他在廚房里。根據(jù)上文“Hello. May I speak to Laura, please?”及下文“Sorry, she39。我可以和勞拉講話嗎？——對(duì)不起，她不在家。我可以和勞拉講話嗎？——對(duì)不起，她不在家。gets動(dòng)詞的第三人稱單數(shù)；got動(dòng)詞的過(guò)去式；is getting現(xiàn)在進(jìn)行時(shí)；was getting過(guò)去進(jìn)行時(shí)。get變得。選項(xiàng)A為一般現(xiàn)在時(shí)；選項(xiàng)B為一般過(guò)去時(shí)；選項(xiàng)C為現(xiàn)在進(jìn)行時(shí)；選項(xiàng)D為現(xiàn)在完成時(shí)。選項(xiàng)A為一般現(xiàn)在時(shí)；選項(xiàng)B為一般過(guò)去時(shí)；選項(xiàng)C為現(xiàn)在進(jìn)行時(shí)；選項(xiàng)解析：C【詳解】句意：——瑪麗，我們?nèi)タ措娪鞍伞?7．C【詳解】句意：——瑪麗，我們?nèi)タ措娪鞍伞？疾閯?dòng)詞時(shí)態(tài)?？疾閯?dòng)詞時(shí)態(tài)。故選C。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)”，其解析：C【詳解】句意：——我在教室里找不到邁克了。故選B。你的毛衣穿反了。你的毛衣穿反了?？疾閯?dòng)詞時(shí)態(tài)?？疾閯?dòng)詞時(shí)態(tài)。故選C。故解析：C【詳解】句意：——Candy，你能幫我洗碗嗎？——對(duì)不起，媽媽。12．C【詳解】句意：——Candy，你能幫我洗碗嗎？——對(duì)不起，媽媽。根據(jù)“can you take the dog for a walk?”以及回答“Sorry, Dad解析：C【詳解】句意：——鮑勃，你能去遛遛狗嗎？——對(duì)不起，爸爸。故選A?？疾闀r(shí)態(tài)。格林女士正在和她的朋友喝茶。9．B【詳解】句意：現(xiàn)在是下午4點(diǎn)。根據(jù)“I can’t lend you my English book...”可知，我不能把我的英語(yǔ)書借給你，說(shuō)明這解析：D【詳解】句意：我不能把我的英語(yǔ)書借給你，因?yàn)檫@些天我在用它。主語(yǔ)he后接be動(dòng)詞is。故選B。7．B【詳解】句意：——你好，我可以和吉姆講話嗎？——對(duì)不起，他正在開一個(gè)重要的會(huì)。根據(jù)“I must leave now.”可知，我哥哥現(xiàn)在正在外面等我，時(shí)態(tài)是現(xiàn)在進(jìn)行時(shí)，結(jié)構(gòu)：am/is/are+解析：C【詳解】句意：我現(xiàn)在必須離開了，我哥哥正在外面等我。根據(jù)問(wèn)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(shuō)現(xiàn)在正在進(jìn)行的動(dòng)作，用現(xiàn)在進(jìn)行時(shí)。5．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)?？疾楝F(xiàn)在進(jìn)行時(shí)。 ——對(duì)此我很抱歉。選項(xiàng)A為一般將來(lái)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(guò)去進(jìn)行時(shí)。選項(xiàng)A為一般將來(lái)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(guò)去進(jìn)行時(shí)。故選C。根據(jù)語(yǔ)境及“at the moment”可知，打來(lái)電話的時(shí)候，布朗先生正在開會(huì)，時(shí)態(tài)用現(xiàn)解析：C【詳解】句意：——我能和布朗先生通電話嗎？——很抱歉，他現(xiàn)在正在辦公室召開重要的會(huì)議。t find Mike in the classroom. Where is he?—Oh, he ________ in the library.A．was studying B．studied C．is studying D．studies16．— Hurry up, Mary. The movie has already been on for ten minutes. —Wait a moment. I ________ some snacks in a shop.A．buy B．bought C．a(chǎn)m buying D．have bought17．—Mary, let39。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．— Shh, don’t make noise! Mrs. Smith ________ the latest news in the studio.— I’m sorry about that.A．presents B．presented C．has presented D．is presenting4．—Hello! May I speak to Tom?—One moment! He _______ an .A．is sending B．sent C．sends D．was sending5．—What’s that noise, Mike?—My little sister ________ with her toy car now.A．plays B．played C．will play D．is playing6．I must leave now. My brother ________ for me outside.A．waits B．waited C．is waiting D．was waiting7．—Hello, may I speak to Jim?—Sorry, he ________ an important meeting now.A．has B．is having C．will have D．was having8．I can’t lend you my English book, because I _______ it these days.A．use B．have used C．used D．a(chǎn)m using9．It’s 4 o’clock in the afternoon. Ms. Green ________ afternoon tea with her friends.A．has B．is having C．had D．was having10．— Tom, where is your little sister?— She _______ in the backyard now.A．is playing B．will play C．played D．plays11．—Bob, can you take the dog for a walk?—Sorry, Dad. I ________ an