【正文】 。50．The painting by the artist is worldfamous , but several years ago, no one could imagine what an important role he in the painting field.A．was playing B．would play C．played D．had played【答案】B【解析】句意：——這位畫家的畫舉世聞名，但幾年前，沒有人能想象得到他會(huì)發(fā)揮重要作用在繪畫領(lǐng)域。49．By the end of last week, Maggie _____________ in the west of China for two months helping the homeless children.A．will stay B．has stayed C．would stay D．had stayed【答案】D【解析】【詳解】句意：到上周末為止， Maggie已經(jīng)在中國西部待了兩個(gè)月幫助那些無家可歸的孩子們?？疾閯?dòng)詞時(shí)態(tài)辨析題。48．— Father’s day is ing. Have you prepared any presents for your father?— Not yet, but I’m sure I ______ one for him.A．bought B．buy C．have bought D．will buy【答案】D【解析】句意：——父親節(jié)就要到了。二十分鐘后火車將要離開?？键c(diǎn)：考查動(dòng)詞時(shí)態(tài)。她生病前把她所有的精力都投入到她的工作中。when引導(dǎo)的時(shí)間狀語從句，從句用一般過去時(shí)，主句用過去進(jìn)行時(shí)；故選D。45．When it began to rain heavily, she ________ for a bus at the bus stop.A．waited B．waits C．is waiting D．was waiting【答案】D【解析】句意：當(dāng)雨下得很大時(shí)，她正在公共汽車站等公共汽車?！菦]有人知道明天會(huì)不會(huì)下雨。 rains. D．won’t rain。 rains B．doesn’t rain。clock this afternoon.A．is cooking B．was cooking C．cooks D．cooked【答案】B【解析】本題難度適中，考查過去進(jìn)行時(shí)，當(dāng)你昨天5點(diǎn)打電話給她時(shí)，他正在煮飯，答案是was cooking，選B。此處接時(shí)間段for nearly two years連用，故用延續(xù)性動(dòng)詞，故選C。他們離開家鄉(xiāng)幾乎兩年了。42．— The boy misses his parents very much.— So he does. They _________ the hometown for nearly two years.A．have left B．has left C．have been away from D．will leave【答案】C【解析】【詳解】句意：——那個(gè)男孩非常想念他的父母。根據(jù)tell sb sth可知，本題考查賓語從句。 so far；since+過去時(shí)間點(diǎn)；for+一段時(shí)間等。 since then。 for。so far是現(xiàn)在完成時(shí)的常用提示詞，另外根據(jù)句意“到目前已經(jīng)完成80%”應(yīng)該用現(xiàn)在完成時(shí)，故選A。根據(jù) when引導(dǎo)的一般過去時(shí)的時(shí)間狀語從句推斷主句描述的是過去某個(gè)時(shí)間正在發(fā)生的動(dòng)作，故用過去進(jìn)行時(shí)態(tài)，過去進(jìn)行時(shí)的構(gòu)成是：主語+was/were+動(dòng)詞的現(xiàn)在分詞，主語是第三人稱單數(shù)所以be動(dòng)詞用was，cook的現(xiàn)在分詞是cooking；故答案選D。when I got home yesterday.A．will cook B．cooks C．has cooked D．was cooking【答案】D【解析】句意：當(dāng)我昨天回到家的時(shí)候，我的媽媽正在做飯。39．My mother他已經(jīng)去了北京，并將于下周五回來。 gone to【答案】D【解析】句意：我剛才在辦公室看到了While先生。 been toC．can’t 。38．—I saw Mr. While in his office just now.—No, it ______be him. He has _____Beijing and will e back next Friday.A．mustn’t?？疾楝F(xiàn)在進(jìn)行時(shí)。37．Today’s young people can’t live without smart phones.Their eyes are glued to the screen wherever they go, even while they_____ meals.A．have B．a(chǎn)re having C．were having D．will have【答案】B【解析】【詳解】句意：——今天的年輕人離不開智能手機(jī)。哦，我當(dāng)時(shí)在洗澡。過去進(jìn)行時(shí)的謂語動(dòng)詞的形式是：was/were+doing，故選C。根據(jù)didn39。35．—Why didn39。next year明年，用于一般將來時(shí)，可排除C項(xiàng)。考查動(dòng)詞時(shí)態(tài)辨析。 have stayed【答案】B【解析】【詳解】句意：香港回歸中國已有20年。 will stayC．has been back。34．Hong Kong __________to China for 20 years. I ________there for 2 weeks next year.A．has returned。根據(jù)上文Where is Mr. Wu? 可知下文用現(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)是be doing的形式，主語是he, together with his students在句中做狀語；這里be動(dòng)詞用is。根據(jù)Every year可知用一般現(xiàn)在時(shí)態(tài)；故選A33．— Where is Mr. Wu? — He together with his students __________ singing by the lake .A．is practising B．a(chǎn)re practising C．will practise D．would practise【答案】A【解析】【詳解】句意：——胡先生在哪里？——他和他的同學(xué)們一起在湖邊練