【正文】 提到還沒有上車，所以此句是說正在等待琳達(dá)，應(yīng)用現(xiàn)在進(jìn)行時(shí)，其構(gòu)成為“am/is/are doing”，主解析：B【詳解】句意：——該上學(xué)了。17．B【詳解】句意：——該上學(xué)了?？疾闀r(shí)態(tài)?？疾闀r(shí)態(tài)?？疾闀r(shí)態(tài)。故選A?？疾闀r(shí)態(tài)?？疾閯釉~時(shí)態(tài)?？疾閯釉~時(shí)態(tài)?？疾闀r(shí)態(tài)?？疾闀r(shí)態(tài)。故選A?？疾闀r(shí)態(tài)辨析。你在忙什么？——我正在做一個(gè)關(guān)于家族史的項(xiàng)目。10．C【詳解】句意：——嗨，大明。考查動詞時(shí)態(tài)?？疾閯釉~時(shí)態(tài)。根據(jù)前句“The noise es from the boys.”語境可推知，后句中動作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時(shí)，構(gòu)成形式為be doing；主語“They”是復(fù)數(shù)形式，be用are；have的現(xiàn)在分詞是having?？疾閯釉~時(shí)態(tài)。根據(jù)“I can’t lend you my English book...”可知，我不能把我的英語書借給你，說明這些天我在用它，符合語境；所以句子時(shí)態(tài)應(yīng)為現(xiàn)在進(jìn)行時(shí)。7．D【詳解】句意：我不能把我的英語書借給你，因?yàn)檫@些天我在用它。她正在打掃教室。6．D【詳解】句意：貝蒂不能參加我們的比賽。解析：C【詳解】句意：看，許多人在公園里跳舞。5．C【詳解】句意：看，許多人在公園里跳舞。根據(jù)前句“The zoo keeper is worried”的語境可知，后句動作應(yīng)是解析：C【詳解】句意：動物園管理員很擔(dān)心，因?yàn)橛慰蛿?shù)量越來越少。根據(jù)“Wait a minute.”可知，彼得現(xiàn)在正在洗澡，強(qiáng)調(diào)動作正在進(jìn)行，所以時(shí)態(tài)應(yīng)該用現(xiàn)在進(jìn)行時(shí)，結(jié)構(gòu)為：am/is/are + 動詞的現(xiàn)在分詞，主語He為第三人稱單數(shù)，be動詞用is。3．A【詳解】句意：——霍金夫人，彼得可以和我們一起玩游戲嗎？ ——等一會兒，他正在洗澡。解析：B【詳解】句意：——弗蘭克在哪兒？——他正在房間里聽音樂。2．B【詳解】句意：——弗蘭克在哪兒？——他正在房間里聽音樂。我們?nèi)椭伞 e yet. I ___________for her.A．have waited B．a(chǎn)m waiting C．was waiting D．waited18．— 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 bought19．—I _____to Beijing tomorrow. —Have a good trip!A．flies B．fly C．a(chǎn)m flying D．flew20．—Tony, hurry up! We ________ for you now.—Just one minute.A．wait B．waited C．have waited D．a(chǎn)re waiting21．— Dad, I can’t work out this math problem. Can you give me a hand?— Wait a moment. I ________ on the phone.A．a(chǎn)m talking B．will talk C．was talking D．have talked22．— Mom, I’m busy making the bed. Can you give me a hand? — Wait a moment. I ________ the floor.A．a(chǎn)m cleaning B．will clean C．was cleaning D．have cleaned23．— Hi, Tom. I can’t find David anywhere. Do you know where he is?—Oh, he ________ for tomorrow’s exam at home.A．prepares B．is preparing C．has prepared D．prepared24．—What is your mother doing, Linda? —She ________ dinner in the kitchen now.A．is cooking B．was cooking C．cooks D．cooking25．My father ________ Beijing next week.A．leaves for B．is leaving for C．left D．leaves26．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook27．—Lily, where is our father now? Go and get him for lunch. —Just a moment, please. Father ________ a phone call in his room.A．is making B．was making C．makes D．has made28．—Where’s Kelly, Mum?—She ________ a poster for the munity in her bedroom.A．makes B．will make C．made D．is making29．—Where is your father, David?—He ________ the car in the garden.A．will wash B．washed C．is washing D．was washing30．— May I speak to Mr. Brown?— I am sorry. He ________ an important meeting in his office now.A．has B．had C．is having D．will have31．—Has your aunt finished writing her novel?—Not yet. She ________ it these days.A．wrote B．writes C．is writing D．will write32．—Ethan, let’s go to play basketball, shall we?—Sorry, I can’t. I ________Yao Ming’s game. Would you mind going later?A．watch B