【正文】 考查動(dòng)詞時(shí)態(tài)。根據(jù)問(wèn)句“—Tom, where39。考查動(dòng)詞的時(shí)態(tài)。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?。reading 動(dòng)名詞；am reading動(dòng)詞的現(xiàn)在進(jìn)行時(shí)；was reading過(guò)去進(jìn)行時(shí)；have read動(dòng)詞的現(xiàn)在完成時(shí)?？疾閯?dòng)詞的的時(shí)態(tài)。謂語(yǔ)動(dòng)詞leave是位移動(dòng)詞，用進(jìn)行時(shí)表示將來(lái)。解析：D【詳解】句意：——昨天我收到了安先生的來(lái)信?？疾闀r(shí)態(tài)。wear穿；根據(jù)“I’ll have it changed immediately”可知在說(shuō)話的時(shí)候“毛衣穿反”這個(gè)動(dòng)作正在進(jìn)行，用現(xiàn)在進(jìn)行時(shí)，結(jié)構(gòu)是：am/is/are + doing；主語(yǔ)是“You”，be動(dòng)詞用are。wear穿；根據(jù)“I’ll have it changed immediately解析：B【詳解】句意：——Lena，我想今天早上你很匆忙。14．B【詳解】句意：——Lena，我想今天早上你很匆忙。根據(jù)答語(yǔ)“Sorry, I… on it.”的語(yǔ)境可推斷出，動(dòng)作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時(shí)，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(duì)不起，我正在用它工作。根據(jù)語(yǔ)境可知，此時(shí)不能幫媽媽洗碗，是因?yàn)檎谧鲎鳂I(yè)，應(yīng)用現(xiàn)在進(jìn)行時(shí)，構(gòu)成形式為：be doing。根據(jù)語(yǔ)境可知，此時(shí)不能幫媽媽洗碗，是因?yàn)檎谧鲎鳂I(yè)，應(yīng)用現(xiàn)在進(jìn)行時(shí)，構(gòu)成形式為：be doing。根據(jù)上文“don’t make noise”可知，不讓出聲是因?yàn)槭访芩固诓?bào)最新消息，應(yīng)用現(xiàn)在進(jìn)行時(shí)，故選D。presents動(dòng)詞第三人稱單數(shù)形式；presented表一般過(guò)去時(shí)；has pre解析：D【詳解】句意：——噓，別出聲！史密斯太太正在演播室里播報(bào)最新消息。故選A。根據(jù)“Let’s go and help her”可知，此處指讓我們?nèi)椭谧鐾盹埖哪棠?，故為現(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)為am/is/a解析：A【詳解】句意：奶奶正在做晚飯。故選B。我必須在沒(méi)油之前趕到加油站。我必須在沒(méi)油之前趕到加油站。will wash動(dòng)詞的一般將來(lái)時(shí)形式；is washing動(dòng)詞的現(xiàn)在進(jìn)行時(shí)形式；washes動(dòng)詞的三單形式；washed動(dòng)詞的過(guò)去式。考查現(xiàn)在進(jìn)行時(shí)。根據(jù)前句“The noise es from the boys.”語(yǔ)境可推知，后句中動(dòng)作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時(shí)，構(gòu)成形式為be doing；主語(yǔ)“They”是復(fù)數(shù)形式，be用are；have的現(xiàn)在分詞是having?？疾閯?dòng)詞時(shí)態(tài)。根據(jù)“I can’t lend you my English book...”可知，我不能把我的英語(yǔ)書(shū)借給你，說(shuō)明這些天我在用它，符合語(yǔ)境；所以句子時(shí)態(tài)應(yīng)為現(xiàn)在進(jìn)行時(shí)。6．D【詳解】句意：我不能把我的英語(yǔ)書(shū)借給你，因?yàn)檫@些天我在用它?？疾楝F(xiàn)在進(jìn)行時(shí)。5．D【詳解】句意：聽(tīng)！這個(gè)男孩又在彈鋼琴了。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(kāi)了，我哥哥正在外面等我?？疾楝F(xiàn)在進(jìn)行時(shí)。故選B。 ——他正在為下周舉行的英語(yǔ)演講比賽做準(zhǔn)備。 ——他正在為下周舉行的英語(yǔ)演講比賽做準(zhǔn)備。考查動(dòng)詞時(shí)態(tài)。s go to the cinema. There’s a new movie called Avengers IV. —Not now, I _____________ my brother David with his math.A．help B．helped C．a(chǎn)m helping D．have helped18．—Tom, where39。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．Listen! The birds ________ happily in the tree outside the window.A．sing B．sang C．a(chǎn)re singing D．were singing4．I must leave now. My brother ________ for me outside.A．waits B．waited C．is waiting D．was waiting5．Listen! The boy ________ the piano again.A．plays B．played C．will play D．is playing6．I can’t lend you my English book, because I _______ it these days.A．use B．have used C．used D．a(chǎn)m using7．The noise es from the boys. They _______ a party.A．have B．a(chǎn)re having C．will have D．have had8．—Where is John?—He is in the kitchen. He ________ the dishes now.A．will wash B．is washing C．washes D．washed9．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 out10．Grandma ________ dinner. Let’s go and help her.A．is making B．makes C．made D．was making11．— 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 presenting12．—Candy, could you please help me do the dishes?—Sorry, Mom. I ________ my homework.A．do B．did C．a(chǎn)m doing D．have done13．—May