【正文】 quiet.”可知，現(xiàn)在要保持安靜，此處表示你哥哥現(xiàn)在正在錄音，因此用現(xiàn)在進(jìn)行時(shí)am/is/are+doing結(jié)構(gòu)，故選D。10．D【詳解】句意：——彼得，請(qǐng)安靜。9．D【詳解】句意：貝蒂不能和我們一起玩紙牌游戲。主語(yǔ)he后接be動(dòng)詞is。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(kāi)一個(gè)重要的會(huì)?？疾闀r(shí)態(tài)。4．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。根據(jù)語(yǔ)境可知，英語(yǔ)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(shí)；其結(jié)構(gòu)是：be（am/is /are）+動(dòng)詞的現(xiàn)在分詞。2．B【詳解】句意：——我有幾天沒(méi)見(jiàn)到杰克了。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．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 bee4．—Hello! May I speak to Tom?—One moment! He _______ an .A．is sending B．sent C．sends D．was sending5．—Where is your father, Lily?—He ________ in the kitchen.A．cooked B．cooks C．will cook D．is cooking6．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．Betty can’t join us in the card game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning10．—Peter, please be quiet. Your brother ________ on the phone.—No problem.A．records B．recorded C．was recording D．is recording11．—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 taken12．—May I use your puter? —Sorry, I ________ on it.A．work B．worked C．have worked D．a(chǎn)m working13．— 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 worn14．Ladies and gentlemen, please remain in your seats, fasten your seat belt and bring your seat back. The plane________.A．takes off B．is taking off C．has taken off D．took off15．—I _____to Beijing tomorrow. —Have a good trip!A．flies B．fly C．a(chǎn)m flying D．flew16．—Mom, it’s so late. Why don’t you go to bed?—Your brother hasn’t e back yet. I ________ for him.A．wait B．a(chǎn)m waiting C．has waited D．waited17．—Tom, where39?？疾闀r(shí)態(tài)。 ——他正在為下周舉行的英語(yǔ)演講比賽做準(zhǔn)備?？疾閯?dòng)詞時(shí)態(tài)和the number of的用法。5．D【詳解】句意：——莉莉，你父親在哪里？——他正在廚房做飯。考查現(xiàn)在進(jìn)行時(shí)的用法。解析：B【詳解】句意：——你好，我可以和吉姆講話嗎？——對(duì)不起，他正在開(kāi)一個(gè)重要的會(huì)?？疾閯?dòng)詞時(shí)態(tài)?？疾閯?dòng)詞時(shí)態(tài)。你哥哥正在手機(jī)上錄音。我在上網(wǎng)課。故選D。考查時(shí)態(tài)?？疾闀r(shí)態(tài)?？疾橐话銓?lái)時(shí)?？疾楝F(xiàn)在進(jìn)行時(shí)?？疾閯?dòng)詞的時(shí)態(tài)。我可以和勞拉講話嗎？——對(duì)不起，她不在家。根據(jù)上文“Hello. May I speak to Laura, please?”及下文“Sorry, she39。cooks烹飪，一般現(xiàn)在時(shí)；is cooking烹飪，現(xiàn)在進(jìn)行時(shí)；will cook烹飪，一般將來(lái)時(shí)；cooked烹飪，一般過(guò)去時(shí)?！獙?duì)不起。我在看姚明的比賽。工人們正在修路。根據(jù)上文“I’m busy making the bed.”可知，我正在忙著鋪床，是現(xiàn)在進(jìn)行時(shí)；且解析：A【詳解】句意：——媽媽，我在忙著鋪床。考查時(shí)態(tài)。根據(jù)“We…ground as a leader解析：A【詳解】句意：——你覺(jué)得你的公司怎么樣？——有點(diǎn)擔(dān)心。故選C。根據(jù)問(wèn)句“Where’s Kelly, Mum?”可知，是問(wèn)凱莉現(xiàn)在在哪里，所以答語(yǔ)應(yīng)用現(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)解析：D【詳解】句意：——?jiǎng)P莉在哪里，媽媽? ——她正在臥室里為社區(qū)做海報(bào)。表示現(xiàn)在正在做某事，用現(xiàn)在進(jìn)行時(shí)is having 故選C。由此可推斷我正在用，稍后借給你，符合語(yǔ)境。你能幫我個(gè)忙嗎？——稍等。根據(jù)“Sorry. I...on it”可知此處表示“在說(shuō)話的時(shí)候正在用ipad”，用現(xiàn)在進(jìn)行時(shí)解析：B【詳解】句意：——瑪麗，我可以用你的ipad一個(gè)小時(shí)嗎？——對(duì)不起。根據(jù)問(wèn)題“what’s you