【正文】 yuan.A．have reached B．reached C．has reached D．will reach【答案】C【解析】【詳解】句意：自習(xí)近平主席提出“一帶一路”倡議以來(lái)?？疾閯?dòng)詞時(shí)態(tài)辨析。since自從，從句Since the Belt and Road was e up with 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(chēng)，助動(dòng)詞需用has；根據(jù)句意結(jié)構(gòu)和語(yǔ)境，可知選C。36．—Sam，I called you yesterday，but you were not at home.—Oh，I at my aunt39。s.A．a(chǎn)m B．was C．have been D．will be【答案】B【解析】【詳解】句意： Sam，昨天我給你打電話(huà)了，但是你不在家。哦，我在我姑媽家里。根據(jù)called you yesterday可知，這里敘述的是昨天的事情，所以答語(yǔ)也應(yīng)該用一般過(guò)去時(shí)，故選B。37．He told me that he ________ here for five minutes．A．has eB．had arrivedC．had beenD．had e【答案】C【解析】句意：他告訴我他到這兒5分鐘了。根據(jù)for five minutes可知謂語(yǔ)動(dòng)詞要用延續(xù)性動(dòng)詞，e和 arrive都是短暫性動(dòng)詞，be in+地點(diǎn)，表示延續(xù)性，here副詞，要把介詞省略；故選C38．—How soon will you finish the work?—In a week. We ________ about 80% of the work so far.A．have pleted B．pleted C．will plete D．a(chǎn)re pleting【答案】A【解析】【詳解】句意“你多久會(huì)完成這個(gè)任務(wù)？一個(gè)星期，到目前為止，我們已經(jīng)完成了80%的工作了”。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?！军c(diǎn)睛】常見(jiàn)的現(xiàn)在完成時(shí)的標(biāo)志詞：in the last few years。 for。 since。 since then。 lately。 so far；since+過(guò)去時(shí)間點(diǎn)；for+一段時(shí)間等。39． Where’s my father? Could tell me? He to Beijing. He’ll attend an important meeting.A．goes B．is going C．has gone D．has been【答案】C【解析】【詳解】句意：——我的父親在哪里?可以告訴我嗎?——他已經(jīng)去北京了。他將參加一個(gè)重要會(huì)議?？疾閯?dòng)詞時(shí)態(tài)辨析。根據(jù)句意語(yǔ)境，可知父親不在說(shuō)話(huà)的地點(diǎn)已經(jīng)去了北京，需用現(xiàn)在完成時(shí)，可排除AC兩項(xiàng)。have been to意為“曾經(jīng)去過(guò)某地”，現(xiàn)在已不在那里了；have gone to意為“到某地去了”，說(shuō)話(huà)時(shí)作句子主語(yǔ)的人不在現(xiàn)場(chǎng)，故選C。40．Before O39。Shea hosted the Joy FM program in Beijing. He_____in Hongkong for ten years.A．works B．has worked C．had worked D．would work【答案】C【解析】句意：O39。Shea在北京主持Joy FM節(jié)目前，他在香港工作了10年了。根據(jù)Before O39。Shea hosted the Joy FM program in Beijing和for ten ；故選C41．She used to ___________with her parents，but now she is used to ___________with her classmates at school.A．living…living B．live…live C．live…living D．living…live【答案】C【解析】【詳解】句意：她過(guò)去和父母住在一起，但現(xiàn)在她習(xí)慣了在學(xué)校和同學(xué)住在一起。used to：后跟強(qiáng)調(diào)動(dòng)作的動(dòng)詞時(shí)表示“過(guò)去常?！保瑄sed to的后面跟動(dòng)詞原形；be used to表示“習(xí)慣于做某事”人作主語(yǔ)，后面用ving形式：be used to doing sth.；結(jié)合所給的選項(xiàng)可知，C正確?！军c(diǎn)睛】used to do sth. 表示過(guò)去常常做某事，而現(xiàn)在往往不做了。I used to get up early in the morning when I was still a high school student. 我還是個(gè)高中生的時(shí)候，常常一大早就起床。be used to doing sth. 表示習(xí)慣于做某事。I am used to eating rice now. 我現(xiàn)在習(xí)慣吃米飯了。42．They don’t live here any longer. They to Chengdu last month.A．move B．moved C．will move D．a(chǎn)re moving【答案】B【解析】【詳解】句意：他們不再住在這里了，他們上個(gè)月搬到了成都?？疾橐话氵^(guò)去時(shí)。A. move一般現(xiàn)在時(shí)；B. moved一般過(guò)去時(shí)；C. will move一般將來(lái)時(shí)；D. are moving現(xiàn)在進(jìn)行時(shí)。根據(jù)They don’t live here any “他們上個(gè)月搬到了成都。”由last month可知時(shí)態(tài)用一般過(guò)去時(shí)；故答案選B。43．—You look unhappy. What’s wrong?—No one ______ me when I was in America. Maybe they all forgot me.A．phoned B．phones C．has phoned D．had phoned【答案】A【解析】句意：你看起來(lái)不開(kāi)心，怎么了？當(dāng)我在美國(guó)的時(shí)候沒(méi)有人給我打電話(huà)，可能他們都忘了我吧！題干有過(guò)去的時(shí)間狀語(yǔ)when I was in America，需要用一般過(guò)去時(shí)態(tài)用來(lái)描述過(guò)去的一個(gè)動(dòng)作。故選A。44．Alice, together with her classmates punished for breaking the school rules last week.A．is B．a(chǎn)re C．was D．were【答案】C【解析】【詳解】句意：艾麗斯和她的同學(xué)上周因違反校規(guī)而受到懲罰?？疾橐话氵^(guò)去時(shí)和主謂一致。根據(jù)last week可知句子時(shí)態(tài)應(yīng)用一般過(guò)去時(shí)，排除A、B選項(xiàng)；together with her classmates在句中作狀語(yǔ)，主語(yǔ)是Alice，第三人稱(chēng)單數(shù)，所以謂語(yǔ)動(dòng)詞也要用第三人稱(chēng)單數(shù)形式，排除D選項(xiàng)；故答案選C。45．I _________in London for many years, but I’ve never regretted my final decision to move back to China.A．lived B．was living C．have lived D．a(chǎn)m living【答案】C【解析】【詳解】句意：我在倫敦住了很多年了，但是我從來(lái)沒(méi)有后悔我最終決定搬回中國(guó)。lived是過(guò)去式；was living過(guò)去進(jìn)行時(shí)；have lived現(xiàn)在完成時(shí)；am living現(xiàn)在進(jìn)行時(shí)。根據(jù)句意和句中的for many years可知，這里表示過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在的影響，應(yīng)用現(xiàn)在完成時(shí)，故選C。46．— 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(yǔ)從句before she got ，所以選C?？键c(diǎn)：考查動(dòng)詞時(shí)態(tài)。47．The young man ________yellow ___________his keys in his office. He’s forgetful and can’t enter the house.A．in。left B．on。forgot C．in。has left D．on。has forgotten【答案】C【解析】【詳解】句意“穿黃色衣服的年輕人把他的鑰匙落在他的辦公室。他是健忘的并且他不能進(jìn)入房子”。leave sth in+地點(diǎn)“把某物落在某地”；forget sth忘記某事。根據(jù)句意可知，in+顏色表示“穿……顏色的衣服”，排除B和D；第二空處，根據(jù)He’s forgetful and can’t enter the house可知，落鑰匙的動(dòng)作發(fā)生在過(guò)去，對(duì)現(xiàn)在造成的影響是他進(jìn)不去房子，用現(xiàn)在完成時(shí)have done，故選C。48． Did you see a man in black pass by just now? No, sir. I ________ my car.A．wash B．washed C．a(chǎn)m washing D．was washing【答案】D【解析】句意：——你剛才看見(jiàn)一個(gè)穿黑過(guò)路人的人嗎？ ——沒(méi)有，先生。我在洗車(chē)。由問(wèn)句“Did you see…?”的時(shí)態(tài)可知，答語(yǔ)中也應(yīng)該用過(guò)去時(shí)態(tài)，排除A、C兩項(xiàng)。沒(méi)看到是因?yàn)楫?dāng)時(shí)正在洗車(chē)，故應(yīng)用過(guò)去進(jìn)行時(shí)態(tài)。答案為D項(xiàng)。49．Not only Tom but also his brother ________the Greener China for two years.A．has bee a member ofB．has been inC．have been a member of【答案】B【解析】句意：不僅湯姆還有他弟弟參加盧瑟中國(guó)2年了。根據(jù)for two ，所以排除A；根據(jù)not onlybut also連接句子兩個(gè)主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞就進(jìn)原則；故選B50．Mary is a kind girl. She often _______ her classmates with their homework.A．help B．helpsC．is helping D．helped【答案】B【解析】句意：瑪麗是一個(gè)善良的女孩，她經(jīng)常幫助她的同學(xué)做作業(yè)。根據(jù)often判斷，經(jīng)常性的動(dòng)作用一般現(xiàn)在時(shí)，主語(yǔ)she是第三人稱(chēng)單數(shù)，因此動(dòng)詞要用三單形式，故答案為B。