【正文】 代指的是百分之六十的游泳者，故謂語用復(fù)數(shù)形式，故選B。根據(jù)句意選C。根據(jù)句中The teacher came into…可知，這句話用的是過去時(shí)態(tài)，且從句中表示的是正在進(jìn)行的動(dòng)作，因此應(yīng)用過去進(jìn)行時(shí)態(tài)，選C。答案為B。am playing【答案】B 【解析】【分析】句意：桑迪，玻璃杯壞了，是怎么回事？——對(duì)不起，媽媽。outside．A.30．—Sandy, the glass is broken. How did that happen?—Sorry，Mum. I don39。結(jié)合語境，可知用過去進(jìn)行時(shí)，故選D。D.play根據(jù)句意語境，可知“我”剛才正在看書所以沒看到那女孩，需用過去進(jìn)行時(shí)，結(jié)構(gòu)：was/were+doing，主語是I，be動(dòng)詞需用was，故選C。C.am reading這里是when引導(dǎo)的時(shí)間狀語從句，當(dāng)某個(gè)動(dòng)詞發(fā)生的時(shí)候，另一個(gè)動(dòng)作正在進(jìn)行，take the subway是延續(xù)性動(dòng)詞，因此用過去進(jìn)行時(shí)，結(jié)構(gòu)為was/were+動(dòng)詞的ing形式，故答案為B。was takingthe subway home when I suddenly found I was on the wrong line. A. 【點(diǎn)評(píng)】考查過去進(jìn)行時(shí)，注意平時(shí)識(shí)記其結(jié)構(gòu)。D.C.B.26．I ______________ TV when the earthquake happened in Sichuan half a month ago. A.我通常在那個(gè)時(shí)間練習(xí)鋼琴。was playingA.were playing【答案】 A 【解析】【分析】句意：當(dāng)?shù)卣鸢l(fā)生的時(shí)候，這個(gè)女孩正和她的兩只貓?jiān)谠鹤永锿?。is playing 【點(diǎn)評(píng)】考查過去進(jìn)行時(shí)，注意平時(shí)識(shí)記when引導(dǎo)的時(shí)間狀語從句，理解句意。D.C.B.23．It ________ heavily when I let the cinema. A.D.have, donewas reading【答案】D 【解析】【分析】句意：一十分鐘前你看到了一個(gè)穿黃衣服的女孩經(jīng)過嗎?一沒有，先生。C.am reading根據(jù)What were you doing when we were playing basketball yesterday afternoon? 中的What were you doing可知問的是過去的某個(gè)時(shí)間點(diǎn)正在發(fā)生的事，要用過去進(jìn)行時(shí)，其構(gòu)成：主語+was/were+ doing．故選A。B.was cleaninghave been helping【答案】B 【解析】【分析】句意：－昨天下午你為什么不和我們?nèi)ヌ咦闱蚰兀浚菚r(shí)我正幫我母親做家務(wù)。had helpedwas helpinghelped19．—Why didn39。was watchingB.當(dāng)我離開時(shí)，老師正在幫學(xué)習(xí)，一個(gè)過去動(dòng)作“離開”發(fā)生時(shí)，另一個(gè)過去動(dòng)作“幫助”正在發(fā)生。is helping故選A。plant【答案】 A 【解析】【分析】句意：昨天這個(gè)時(shí)候，我和他都沒有在玩游戲。16．Neither he nor I was playing puter games at this time yesterday. We ______trees in the neighborhood. A.根據(jù)上文 Sorry, I didn39?！军c(diǎn)評(píng)】考查過去進(jìn)行時(shí)態(tài)。fixeda new puter in our classroom the whole yesterday morning, so we had our classes in the school hall. A.were waiting【答案】 B 【解析】【分析】句意： 地震發(fā)生時(shí)，彼得和他的同學(xué)一起等公共汽車。was waiting【點(diǎn)評(píng)】考查過去進(jìn)行時(shí)態(tài)：was/were+ doing。A. has cooked現(xiàn)在完成時(shí)形式；B. was cooking過去進(jìn)行時(shí)形式；C. will cook 一般將來時(shí)形式；D. cooks一般現(xiàn)在時(shí)態(tài)。C.12．My mother ______ dinner when I got home yesterday. A.——對(duì)不起，Grace，電話響的時(shí)候我正在看《我是歌手》。am watching【點(diǎn)評(píng)】考查動(dòng)詞辨析，過去進(jìn)行時(shí)態(tài)，過去完成時(shí)態(tài)。 lied【答案】 A 【解析】【分析】句意：這個(gè)男孩躺在地上，他把自行車放在了大樹的后面。B.lying。故選A.【點(diǎn)評(píng)】本題考查時(shí)態(tài)辨析，以及was looking through過去進(jìn)行時(shí)態(tài)； looked through一般過去時(shí)態(tài)；C.9．He ______ newspapers when the earthquake happened in Japan. A.A是過去進(jìn)行時(shí)；B是現(xiàn)在進(jìn)行時(shí)；C為現(xiàn)在完成時(shí)；D是一般將來時(shí)。本題主句是一般過去時(shí)態(tài)，故從句中用過去進(jìn)行時(shí)態(tài)。C.注意根據(jù)時(shí)間狀語和上下文來確定句子的時(shí)態(tài)。was sitting【答案】 D 【解析】【分析】句意：—昨天這個(gè)時(shí)候你在做什么？—我正坐在草地上畫畫。6．—What were you doing at this time yesterday?—I ________on the grass and drawing a picture.A.D.is raining可知這是一個(gè)過去的具體的時(shí)刻，過去的具體時(shí)刻出現(xiàn)的句子應(yīng)使用過去進(jìn)行時(shí)，C是過去進(jìn)行時(shí)，故答案是C。were takingtakelie的現(xiàn)在分詞是lying。was laying【答案】B 【解析】【分析】句意：－我打電話里，你在哪兒？－我躺在床上。was lying注意while和進(jìn)行時(shí)態(tài)連用。D.C.B.s wrong with your finger? — I hurt it while I ___________ a model plane.A.was doing【答案】 D 【解析】【分析】when“當(dāng)……的時(shí)候”，句意:今天杰克遜已經(jīng)完成了他的作業(yè)嗎?——我不知道,但是當(dāng)我今天早晨看見他時(shí)他正在做。has donedoesdidt know. He ________ it this morning when I saw him.A.B.C.D.【點(diǎn)評(píng)】考查動(dòng)詞的時(shí)態(tài)2．—Oh! What39。 【點(diǎn)評(píng)】此題考查過去進(jìn)行時(shí)。 B.D.表示一個(gè)過去動(dòng)作發(fā)生時(shí)，另一個(gè)過去動(dòng)作正在發(fā)生，句子用過去進(jìn)行時(shí)態(tài)。4．Students in Grade Nine ____________a maths exam at this time yesterday. A.C.根據(jù) at this time yesterday.rainedC. 【點(diǎn)評(píng)】考查過去進(jìn)行時(shí)，識(shí)記過去進(jìn)行時(shí)的使用方法。am sittingD.【點(diǎn)評(píng)】考查過去進(jìn)行時(shí)的用法。is travelingwhile引導(dǎo)時(shí)間狀語從句時(shí)，強(qiáng)調(diào)主從動(dòng)作同時(shí)發(fā)生，從句中常用進(jìn)行時(shí)態(tài)。were talkingare talkinghave talkedwill talk【答案】A 【解析】【分析】句意：昨天這個(gè)時(shí)候，他們正在談?wù)撘粋€(gè)喜劇片?！军c(diǎn)評(píng)】考查動(dòng)詞的時(shí)態(tài)。looked through一個(gè)過去動(dòng)作發(fā)生時(shí)，另一個(gè)過去動(dòng)作正在發(fā)生，把正在發(fā)生的過去動(dòng)作用成過去進(jìn)行時(shí)態(tài)。10．The boy was _____ on the ground and he had _____ bicycle behind the big tree. A. lainlied。選A。when the phone rang.A.was watchinghave watched【答案】 B 【解析】【分析】句意：——我昨天晚上給你打電話了，但是你沒有接。故選B。was cookingcooks【答案】B 【解析】【分析】句意：昨天我到家時(shí)，媽媽在做飯。故選B。B.D.14．The engineers B.have fixed時(shí)間是the whole yesterday morning可知是過去的時(shí)態(tài)，結(jié)合句意