【正文】 uiet. Your brother ________ on the phone.—No problem.A．records B．recorded C．was recording D．is recording9．I must leave now. My brother ________ for me outside.A．waits B．waited C．is waiting D．was waiting10．—May I use your puter? —Sorry, I ________ on it.A．work B．worked C．have worked D．a(chǎn)m working11．Betty can’t join us in the game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning12．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 off13．—I can39。t find Mike in the classroom. Where is he?—Oh, he ________ in the library.A．was studying B．studied C．is studying D．studies14．—Yesterday I received a letter from .—You did? I hear he________for America next year.A．has left B．leaves C．left D．is leaving15．—Hurry up!—One moment. I ________ my s.A．reading B．a(chǎn)m reading C．was reading D．have read16．—I _____to Beijing tomorrow. —Have a good trip!A．flies B．fly C．a(chǎn)m flying D．flew17．—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．waited18．—You look absentminded. ________you ________someone?—Yes. An old friend of mine is ing. We haven39。 expect B．Are。 expecting D．Did。你的毛衣穿反了?？疾闀r態(tài)。你的毛衣穿反了?？疾闀r態(tài)。故選B。get變得。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。gets動詞的第三人稱單數(shù)；got動詞的過去式；is getting現(xiàn)在進(jìn)行時；was getting過去進(jìn)行時。故選C?？疾閯釉~時態(tài)?？疾閯釉~時態(tài)。故選D。他正在洗碗。will wash動詞的一般將來時形式；is washing動詞的現(xiàn)在進(jìn)行時形式；washes動詞的三單形式；was解析：B【詳解】句意：——約翰在哪里？——他在廚房里。考查現(xiàn)在進(jìn)行時。根據(jù)“He is in the kitchen.”和“now”可知，該句為現(xiàn)在進(jìn)行時，謂語結(jié)構(gòu)是：be+動詞的現(xiàn)在分詞。5．A【詳解】句意：——湯姆，你的小妹妹在哪里?——她現(xiàn)在正在后院玩。根據(jù)問句“where is your little sister”及后面的now可知，此處強(qiáng)調(diào)動作正在進(jìn)行，應(yīng)該用現(xiàn)解析：A【詳解】句意：——湯姆，你的小妹妹在哪里?——她現(xiàn)在正在后院玩。根據(jù)問句“where is your little sister”及后面的now可知，此處強(qiáng)調(diào)動作正在進(jìn)行，應(yīng)該用現(xiàn)在進(jìn)行時，構(gòu)成為am/is/are doing，此處主語是第三人稱單數(shù)，所以用is playing。6．C【詳解】句意：請保持安靜。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。7．D【詳解】句意：——軍官們在哪兒？——瞧！他們正在宮殿里摸象。look“看”用于提醒，后面的句子需用現(xiàn)在進(jìn)行時“be doing”結(jié)構(gòu)?？疾閯釉~時態(tài)辨析。touch摸，主語they是復(fù)數(shù)人稱，系詞需用are，故選D。你哥哥正在手機(jī)上錄音?？疾闀r態(tài)。你哥哥正在手機(jī)上錄音?？疾闀r態(tài)。9．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)“I must leave now.”可知，我哥哥現(xiàn)在正在外面等我，時態(tài)是現(xiàn)在進(jìn)行時，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)“I must leave now.”可知，我哥哥現(xiàn)在正在外面等我，時態(tài)是現(xiàn)在進(jìn)行時，結(jié)構(gòu)：am/is/are+動詞ing，主語My brother是第三人稱單數(shù)，故be動詞用is。10．D【詳解】句意：——我可以用你的電腦嗎？——對不起，我正在用它工作。根據(jù)答語“Sorry, I… on it.”的語境可推斷出，動作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時，構(gòu)成形式為be do解析：D【詳解】句意：——我可以用你的電腦嗎？——對不起，我正在用它工作。根據(jù)答語“Sorry, I… on it.”的語境可推斷出，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，be用am，work的現(xiàn)在分詞是working。11．D【詳解】句意：貝蒂不能參加我們的比賽?？疾楝F(xiàn)在進(jìn)行時。她正在打掃教室。根據(jù)上句“Betty can’t join us in the game”，此處指的是現(xiàn)在發(fā)生的事，故應(yīng)用現(xiàn)在時，且根據(jù)語境可知，貝蒂不能來的原因是她正在打掃教室，故句子應(yīng)用現(xiàn)在進(jìn)行時，其構(gòu)成是am/is/are doing。12．B【詳解】句意：女士們，先生們，請留在座位上，系好安全帶，請將座椅靠背調(diào)整好?？疾闀r態(tài)。飛機(jī)正在起飛。takes off動詞三單；is taking off現(xiàn)在進(jìn)行時；has taken off現(xiàn)在完成時；took off一般過去時；根據(jù)“Ladies and gentlemen, please remain in your seats, fasten your seat belt and bring your seat back.”可知是飛機(jī)起飛前，讓乘