【正文】 u up to”可知，答語(yǔ)要用現(xiàn)在進(jìn)行時(shí)，表示現(xiàn)在正在進(jìn)行的動(dòng)作，結(jié)構(gòu)為am/is/are doing，故選C。你在忙什么？——我正在做一個(gè)關(guān)于家族史的項(xiàng)目。考查動(dòng)詞時(shí)態(tài)。12．C【詳解】句意：——嗨，大明。考查現(xiàn)在進(jìn)行時(shí)。根據(jù)“It’s 4 o’clock in the afternoon.”可知，此處強(qiáng)調(diào)在某一時(shí)刻正在發(fā)生的動(dòng)作，用現(xiàn)解析：B【詳解】句意：現(xiàn)在是下午4點(diǎn)。格林女士正在和她的朋友喝茶。故選B。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。他正在洗碗?？疾楝F(xiàn)在進(jìn)行時(shí)。10．B【詳解】句意：——約翰在哪里？——他在廚房里。presents動(dòng)詞第三人稱單數(shù)形式；presented表一般過(guò)去時(shí)；has presented表現(xiàn)在完成時(shí)；is presenting表現(xiàn)在進(jìn)行時(shí)。 ——對(duì)此我很抱歉。考查現(xiàn)在進(jìn)行時(shí)。9．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。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)?？疾楝F(xiàn)在進(jìn)行時(shí)。plays動(dòng)詞第三人稱單數(shù)形式；played表一般過(guò)去時(shí)；will play表一般將來(lái)時(shí)；is playing表現(xiàn)在進(jìn)行時(shí)。8．D【詳解】句意：聽！這個(gè)男孩又在彈鋼琴了?？疾楝F(xiàn)在進(jìn)行時(shí)?？疾楝F(xiàn)在進(jìn)行時(shí)。故選D?？疾闀r(shí)態(tài)?？疾闀r(shí)態(tài)。故選C?？疾闀r(shí)態(tài)辨析。故選C。考查時(shí)態(tài)辨析。故選C?？疾閯?dòng)詞時(shí)態(tài)。根據(jù)前句“Not now”語(yǔ)境可知，后句的動(dòng)作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時(shí)，構(gòu)成解析：C【詳解】句意：——去看電影怎么樣？有部叫《嗨，媽媽》的新電影?！F(xiàn)在不行，我在幫我弟弟托尼學(xué)英語(yǔ)。故選B。由此可推斷我正在用，稍后借給你，符合語(yǔ)境?？疾閯?dòng)詞時(shí)態(tài)。根據(jù)“Sorry...”及“I will give it to you later.”可知，抱解析：B【詳解】句意：——杰克，你能把你的照相機(jī)借給我嗎？——抱歉，我正在用。我稍后給你。故選B。選項(xiàng)A為一般將來(lái)時(shí)；選項(xiàng)B為現(xiàn)在進(jìn)行時(shí)；選項(xiàng)C為現(xiàn)在完成時(shí)；選項(xiàng)D為過(guò)去進(jìn)行時(shí)。 ——他正在為下周舉行的英語(yǔ)演講比賽做準(zhǔn)備。選項(xiàng)A為一般將來(lái)時(shí)；選項(xiàng)B為現(xiàn)在進(jìn)行時(shí)；選項(xiàng)C為現(xiàn)在完成時(shí)；選項(xiàng)D為過(guò)去進(jìn)行時(shí)。 ——他正在為下周舉行的英語(yǔ)演講比賽做準(zhǔn)備。根據(jù)“Tony, hurry up! We…for you now.”可知，此處強(qiáng)調(diào)動(dòng)作正在發(fā)生，用現(xiàn)在進(jìn)行時(shí)，故選D?！@就來(lái)?？疾楝F(xiàn)在進(jìn)行時(shí)。s dad?—Oh, he ________ the flowers in the garden.A．waters B．is watering C．watered D．has watered18．—Hey! You nearly hit the tree! What’s up?— Sorry, I ________ the trip to my hometown.A．think about B．a(chǎn)m thinking about C．was thinking about D．thought about19．It dark. Shall I turn on the light？A．gets B．got C．is getting D．was getting20．—Hello, may I speak to Jim?—Sorry, he ________ an important meeting now.A．has B．is having C．will have D．was having21．Don’t make any noise, Jim! Your little sister ________ now.A．sleeps B．slept C．is sleeping D．will sleep22．— 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．— Helen, how was your English petition on Monday?— I have no idea, I _________ for the result. I was told it would e out in two days.A．was waiting B．waited C．will wait D．a(chǎn)m waiting24．My father ________ Beijing next week.A．leaves for B．is leaving for C．left D．leaves25．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook26．—Lucy, where is Mimi?—She ________ under the chair.A．sleeps B．slept C．is sleeping D．will sleep27．Xifeng Street is closed today because workers _______ some repairs.A．make B．made C．a(chǎn)re making D．were making28．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling29．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 out30．—Tina, let’s go out for shopping.—Sorry, Amy. I __________ my homework.A．do B．a(chǎn)m doing C．did31．—Has your aunt finished writing her novel?—Not yet.