【正文】 eeping D．will sleep31．—Mary, may I use your ipad for an hour?—Sorry. I ________ on it.A．work B．a(chǎn)m working C．have worked D．worked32．— Tom, what’s your sister doing?— She ________ her homework in the study.A．does B．will do C．did D．is doing33．—Where’s Nick?—He ________ classes at school.A．had B．will have C．is having D．was having34．—I can’t find David. Where is he?— He________ for tomorrow’s petition at home.A．prepares B．is preparing C．has prepared D．prepared35．My grandma ________ the old photos. There is a big smile on her face.A．enjoys B．enjoyed C．will enjoy D．is enjoying36．—Jane,where are you?—Dad,I________ the car in the driveway. It is really dirty.A．wash B．will wash C．a(chǎn)m washing D．was washing37．— Ruby, can you help do the dishes?— Just a moment, Mom. I ________ the flowers.A．water B．a(chǎn)m watering C．watered D．have watered38．—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 taken39．Betty can’t join us in the card game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning40．Be quiet. Your brother ________ classes online.A．has B．is having C．will have D．had【參考答案】一、選擇題1．A【詳解】句意：你最好現(xiàn)在不要打擾凱西，因?yàn)樗跒槊魈斓臅?huì)議準(zhǔn)備演講?？疾闀r(shí)態(tài)?？疾閯?dòng)詞時(shí)態(tài)。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+動(dòng)詞ing，主語My brother是第三人稱單數(shù)，故be動(dòng)詞用is。根據(jù)句中“Listen”提示，動(dòng)作正在發(fā)生，故應(yīng)用現(xiàn)在進(jìn)行時(shí)。6．C【詳解】句意：——嗨，大明。我們?nèi)椭伞？疾楝F(xiàn)在進(jìn)行時(shí)。根據(jù)前句“The zoo keeper is worried”的語境可知，后句動(dòng)作應(yīng)是解析：C【詳解】句意：動(dòng)物園管理員很擔(dān)心，因?yàn)橛慰蛿?shù)量越來越少。由“I really need to go now. My children…for me at school”可知解析：A【詳解】句意：請(qǐng)?jiān)徫?。根?jù)“Wait a minute.”可知，彼得現(xiàn)在正在洗澡，強(qiáng)調(diào)動(dòng)作正在進(jìn)行，所以時(shí)解析：A【詳解】句意：——霍金夫人，彼得可以和我們一起玩游戲嗎？ ——等一會(huì)兒，他正在洗澡。根據(jù)答語“Sorry, I… on it.”的語境可推斷出，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 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。takes off動(dòng)詞三單；is taking off現(xiàn)在進(jìn)行時(shí)；has taken off現(xiàn)在完成時(shí)；took off一般過去時(shí)；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，讓乘客準(zhǔn)備的內(nèi)容，可推測(cè)出此處是用現(xiàn)在進(jìn)行時(shí)表將來，故選B。故選C?？疾閯?dòng)詞的的時(shí)態(tài)。17．B【詳解】句意：——湯姆，爸爸在哪兒？ ——喔，他正在花園里的澆花。18．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(shí)。19．C【詳解】句意：——你好。read讀書，原形；reads讀書，第三人稱單數(shù)； is reading 正在讀書，現(xiàn)在進(jìn)行時(shí)；was reading正在讀書，過去進(jìn)行時(shí)?？疾閯?dòng)詞時(shí)態(tài)。你介意晚一點(diǎn)去嗎？考查現(xiàn)在進(jìn)行時(shí)。根據(jù)“now”可知，時(shí)態(tài)為現(xiàn)在進(jìn)行時(shí)，結(jié)構(gòu)為：am/is are doing，主語為She，be動(dòng)詞用is?？疾榫渥訒r(shí)態(tài)?！?qǐng)等一下，父親正在房間里打電話。我在聽一個(gè)英語演講?？疾楝F(xiàn)在進(jìn)行時(shí)。根據(jù)問句“Where’s Kelly, Mum?”可知，是問凱莉現(xiàn)在在哪里，所以答語應(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)?？疾闀r(shí)態(tài)辨析。31．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。32．D【詳解】句意：——Tom，你的姐姐在做什么？——她正在書房里做她的家庭作業(yè)。33．C【詳解】句意：——尼克在哪里？——他正在學(xué)校上課。34．B【詳解】句意：——我找不到大衛(wèi)，他在哪兒？——他在家準(zhǔn)備明天的比賽。她臉上掛著燦爛的笑容。真的很臟。考查現(xiàn)在進(jìn)行時(shí)。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。她正在打掃教室。解析：B【詳解】句意：安靜點(diǎn)?？疾闀r(shí)態(tài)。根據(jù)句意可知，貝蒂不能加入我們是因?yàn)樗诖驋呓淌?，?qiáng)調(diào)此時(shí)此刻正在做什么，用現(xiàn)在進(jìn)行時(shí)(am/is/are doing)。考查現(xiàn)在進(jìn)行時(shí)態(tài)。我正在澆花。根據(jù)“where are you”可知，描述此時(shí)此刻正在做的動(dòng)作，用現(xiàn)在進(jìn)行時(shí)am/is/are d解析：C【詳解】句意：——Jane，你在哪里？——爸爸，我正在車道上洗車。根據(jù)“There is a big smile o