【正文】 by president Xi Jinping,是一段時(shí)間，主句需用現(xiàn)在完成時(shí)；可排除BD兩項(xiàng)。the contract amount是單數(shù)第三人稱，助動(dòng)詞需用has；根據(jù)句意結(jié)構(gòu)和語境，可知選C。36．By the time I got up, my mother ________the breakfast well.A．has cooked B．cooked C．have cooked D．had cooked【答案】D【解析】句意：我起床的時(shí)候，媽媽已經(jīng)做好早飯了?？疾閯?dòng)詞時(shí)態(tài)辨析題。by the time等到/到…時(shí)候?yàn)橹?，用于表示一段時(shí)間，主句需用完成時(shí)。根據(jù)從句時(shí)態(tài)（got是過去式），結(jié)合句意語境，可知用過去完成時(shí)，即had+過去分詞結(jié)構(gòu)，故選D。37．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。several years ago是過去的時(shí)間點(diǎn)，“他會(huì)在繪畫領(lǐng)域發(fā)揮重要作用”是在該時(shí)間點(diǎn)的將來，所以此處應(yīng)用過去將來時(shí)，其構(gòu)成為：shoud/would+動(dòng)詞原形，結(jié)合選項(xiàng)，可知B選項(xiàng)符合題意，故答案選B。38．—Mum, where is my dictionary?—Oh, I didn’t see it, either. I’m afraid you ___________ it.A．a(chǎn)re losing B．will lose C．have lost D．were losing【答案】C【解析】句意：——媽媽，我的字典在哪里？——哦，我也沒有看到它，恐怕你把它弄丟了。A. are losing現(xiàn)在進(jìn)行時(shí)態(tài)； B. will lose一般將來時(shí)態(tài)；C. have lost現(xiàn)在完成時(shí)態(tài)； D. were losing過去進(jìn)行時(shí)態(tài)。lose這一動(dòng)詞發(fā)生在過去，造成的結(jié)果是現(xiàn)在看不見了，屬于完成的動(dòng)作，要用現(xiàn)在完成時(shí)態(tài)來表達(dá)，故答案為C。39．I think I _ my new project tomorrow.A．start B．started C．will start D．was starting【答案】C【解析】句意：我想我明天將要開始我的新項(xiàng)目。本題考查動(dòng)詞的時(shí)態(tài)。A. start 開始，是動(dòng)詞原形 B. started 開始，是動(dòng)詞的過去式 C. will start 將要開始，是動(dòng)詞的將來時(shí) D. was starting就要開始，是過去將來時(shí)。根據(jù)句意選C。40．―Eric, can you bring me the scissors? ―Just a moment. I the papercutting with it.A．make B．madeC．a(chǎn)m making D．has made【答案】C【解析】句意：——Eric，你能給我?guī)砑舻秵幔俊纫粫?huì)兒。我正在用它做剪紙。根據(jù)Justa moment可知此處表示讓對(duì)方等一會(huì)兒，應(yīng)是正在使用這個(gè)剪刀，故用現(xiàn)在進(jìn)行時(shí)be doing，故選C。41．Did you see a girl in red pass by just now?No, sir. I ________the news with my mobile phone.A．read B．was reading C．would read D．a(chǎn)m reading【答案】B【解析】句意：剛才你看到一個(gè)穿紅衣服的女孩經(jīng)過嗎？沒有，先生。我正在手機(jī)上讀新聞。read讀，動(dòng)詞原形或過去式；was reading過去進(jìn)行時(shí)；would read過去將來時(shí)；am reading現(xiàn)在進(jìn)行時(shí)。根據(jù)對(duì)話的情景可知，這里表示剛才正在做的事情，應(yīng)用過去進(jìn)行時(shí)態(tài)，故選B。42．— What do you think of the young lady?— She is hardworking. She ________ all her effort into her work before she got ill.A．has put B．put C．had put D．would put【答案】C【解析】試題分析：句意：你認(rèn)為這位小姐怎樣？她很勤奮。她生病前把她所有的精力都投入到她的工作中。根據(jù)時(shí)間狀語從句before she got ，所以選C?？键c(diǎn)：考查動(dòng)詞時(shí)態(tài)。43．The Wilsons ________ in Germany for twenty years before they moved to China.A．live B．have lived C．were living D．had lived【答案】D【解析】【詳解】句意“威爾遜一家人在搬到中國(guó)前已經(jīng)在德國(guó)住了20年”。；；；。根據(jù)moved“一般過去時(shí)”可知，表示在搬到中國(guó)前住在德國(guó)，表示“過去的過去”，用過去完成時(shí)，故選D。44．—Dear, I have an important meeting tomorrow.—It doesn’t matter. If you _______ go to the movie tomorrow, I _______ my friend to go with me.A．don’t。 will ask B．won’t。 will askC．don’t。 ask D．won’t。 ask【答案】A【解析】試題分析: 句意：親愛的，明天我有個(gè)重要的會(huì)議。沒關(guān)系，如果明天你不能去看電影，我就邀請(qǐng)我的朋友和我一起去。此題考查if引導(dǎo)的條件狀語從句，主句一般將來時(shí)，從句一般現(xiàn)在時(shí)；故選A。考點(diǎn)：考查動(dòng)詞時(shí)態(tài)。45．Did you hear someone knocking at the door just now, Tom?No, I _______ TV with my friend in my bedroom.A．was watching B．watched C．a(chǎn)m watching D．watch【答案】A【解析】【詳解】句意：——湯姆，你剛才聽到有人敲門了嗎？——沒有，我和我的朋友正在臥室里看電視。考查過去進(jìn)行時(shí)。A. was watching過去進(jìn)行時(shí)；B. watched一般過去時(shí)；C. am watching現(xiàn)在進(jìn)行時(shí)；D. watch觀看，動(dòng)詞原形。根據(jù)句意“——湯姆，你剛才聽到有人敲門了嗎？——沒有，我和我的朋友正在臥室里看電視?！?可推知?jiǎng)偛庞腥饲瞄T時(shí)我和我的朋友正在臥室里看電視。所以該句強(qiáng)調(diào)的是過去某個(gè)時(shí)間正在進(jìn)行和發(fā)生的動(dòng)作，確定時(shí)態(tài)為過去進(jìn)行時(shí)態(tài)，其構(gòu)成為was/were＋現(xiàn)在分詞，根據(jù)主語是I，故助動(dòng)詞用was，watch的現(xiàn)在分詞為watching，故填was watching，故答案選A。46．—Green Book is on now. Would you like to go to the cinema with me?—No. thanks. I　　　it twice.A．see B．saw C．have seen D．will see【答案】C【解析】【詳解】句意：——《綠皮書》現(xiàn)在上映了。你想跟我一起去看電影嗎？——不了，謝謝。我已經(jīng)看過兩次了?？疾闀r(shí)態(tài)。see看，一般現(xiàn)在時(shí)；saw過去式；have seen現(xiàn)在完成時(shí)；will see一般將來時(shí)。根據(jù)twice可知此句是強(qiáng)調(diào)現(xiàn)在為止的生活經(jīng)歷，用現(xiàn)在完成時(shí)。故選C。47．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(guó)西部待了兩個(gè)月幫助那些無家可歸的孩子們。根據(jù)句中時(shí)間狀語By the end of last week是到上周末為止，即到過去時(shí)間為止已經(jīng)完成的動(dòng)作，所以用過去完成時(shí)態(tài)，故選D。48．— Many city people their bikes to work every day.— I think it’s a good idea.A．ride B．rode C．will ride【答案】A【解析】【詳解】句意“許多城市的市民每天都騎他們的自行車上班我認(rèn)為這是一個(gè)好主意”。根據(jù)every day可知，用一般現(xiàn)在時(shí)，故選A?！军c(diǎn)睛】與一般現(xiàn)在時(shí)連用的時(shí)間狀語：sometimes, usually, never, always, often。 every day / week / month / year / ... 。once/twice/three times a day/week/month/year...49．David ________ school two years ago and he _________ for two years.A．leaves, has gone B．left, has been awayC．leaves, has been away D．left, has gone【答案】B【解析】【詳解】句意：杰克遜兩年前離開學(xué)校，他已經(jīng)走了兩年了。 two years ago是過去時(shí)間短語，動(dòng)詞用過去式；for two year表示一段時(shí)間，動(dòng)詞應(yīng)具有持續(xù)性或表狀態(tài)，be away表狀態(tài)，可以和現(xiàn)在完成時(shí)態(tài)連用。故選B。50．They their holidays in Paris last summerA．spend B．spentC．will spend D．a(chǎn)re spending【答案】B【解析】句意：去年，他們?cè)诎屠瓒燃倭?。本題考查動(dòng)詞的時(shí)態(tài)A. spend 花費(fèi)，度過，是動(dòng)詞原形 B. spent 度過，是動(dòng)詞的過去式 C. will spend 將要度過，是將來時(shí)態(tài) D. are spending。正在度過，是現(xiàn)在進(jìn)行時(shí)。根據(jù)題意，去年度過的。故選B。