【正文】 half an hour表示的是時(shí)間段，而A,B,C選項(xiàng)都是短暫性的動(dòng)詞或詞組，在肯定句中不能與表示一段的時(shí)間狀語連用，用join的延續(xù)性形式be in，故答案為D。他在學(xué)校音樂俱樂部工作半年了?？键c(diǎn)：考查動(dòng)詞的時(shí)態(tài)。59．— What were you doing when we were playing basketball yesterday afternoon?— I ______ the classroom.A．was cleaning B．have cleanedC．will clean D．clean【答案】A【解析】試題分析：句意：昨天下午當(dāng)我們正在打籃球時(shí)，你正在做什么？結(jié)合語境可知下文描述的是過去某時(shí)正在進(jìn)行的動(dòng)作，故用過去進(jìn)行時(shí)態(tài)。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)?？疾闀r(shí)態(tài)。你想跟我一起去看電影嗎？——不了，謝謝。根據(jù)題意，故選C。A. is是，單數(shù)；B. has有，第三人稱單數(shù)；C. will be將是；D. will have將有。故填 am waiting，故選A。表示現(xiàn)在正在進(jìn)行的動(dòng)作，用現(xiàn)在進(jìn)行時(shí) am/is/are + doing 的形式。本題主要考查現(xiàn)在進(jìn)行時(shí)。我在等他?？键c(diǎn)：考查從句的時(shí)態(tài)用法。根據(jù)語境，前句是賓語從句，主句用一般過去時(shí)，從句應(yīng)用表示過去的某種時(shí)態(tài)；后句是帶有時(shí)間狀語從句的賓語從句，從句中主句用過去將來時(shí)，從句應(yīng)用一般過去時(shí)。 would get【答案】C【解析】試題分析：句意為：我不知道他什么時(shí)候回來。 gotC．would e。如：His father has died since he was ，必須轉(zhuǎn)化為：His father has been dead since he was born.55．I didn’t know when he back. He said he would call me when he home.A．will e。瞬間動(dòng)詞可以用于現(xiàn)在完成時(shí)，但不能和表示一段時(shí)間的狀語連用。點(diǎn)睛：短暫性動(dòng)詞又稱瞬間動(dòng)詞，表示動(dòng)作一旦發(fā)生就立即結(jié)束。54．Is that beautiful sweater yours?Yes. I it for two years.A．bought B．have bought C．have had D．kept【答案】C【解析】句意：——那件漂亮的毛衣是你的嗎？——是的，我已經(jīng)買了兩年了。沒看到是因?yàn)楫?dāng)時(shí)正在洗車，故應(yīng)用過去進(jìn)行時(shí)態(tài)。我在洗車。根據(jù)答句的yesterday提示，事故發(fā)生在昨天，故賓語從句的謂語也應(yīng)用過去式，即happened，故應(yīng)選C?？疾橘e語從句。t there at that time yesterday.A．how the accident happens B．how does the accident happenC．how the accident happened D．how did the accident happen【答案】C【解析】【詳解】句意：——抱歉，打擾一下，你能告訴我事故是怎么發(fā)生的嗎？——不好意思，先生。根據(jù)句意語境，可知選D?？疾閯?dòng)詞時(shí)態(tài)辨析題。加油！根據(jù)語境for a few minutes（幾分鐘）和e on，可知節(jié)目已經(jīng)進(jìn)行了幾分鐘并且現(xiàn)在還在演，故應(yīng)用動(dòng)詞的現(xiàn)在完成時(shí)態(tài)（基本結(jié)構(gòu)：主語+have/has+動(dòng)詞的過去分詞）．故可排除A和B；又由于begin是非延續(xù)性動(dòng)詞不能和for a few minutes搭配，而has been on（表示持續(xù)性的狀態(tài)）故選D。50．—Mum, I want to watch Everlasting Classics on CCTV 1 tonight.—Oh, dear, it for nearly twenty minutes. Come on!A．will begin B．will be on C．has begun D．has been on【答案】D【解析】【詳解】句意：——媽媽，今晚我想在中央電視臺(tái)1臺(tái)看《永恒的經(jīng)典》。發(fā)生了什么？——對(duì)不起，我那時(shí)正領(lǐng)著交換生參觀我們學(xué)校。49．I didn39。根據(jù)時(shí)間狀語從句before she got ，所以選C。t allow you to watch TV.48．— 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?！军c(diǎn)睛】if和unless引導(dǎo)的條件狀語從句而已算是其中一種；主將從現(xiàn)常見的有以下四種情況：一、條件狀語從句的主句是一般將來時(shí),那么從句常常用一般現(xiàn)在時(shí)如：When I grow up,I’ll be a nurse and look after patients我長大后要當(dāng)一名護(hù)士,照顧病人二、如果主句是祈使句,那么從句通常要用一般現(xiàn)在時(shí)如：Don’t laugh at me when I make a mistake.我犯錯(cuò)誤的時(shí)候不要笑話我.三、如果主句是含有情態(tài)動(dòng)詞的一般現(xiàn)在時(shí),根據(jù)需要從句多用現(xiàn)在進(jìn)行時(shí)如：You should be quiet when you are in the reading room在閱覽室時(shí)應(yīng)保持安靜 ,祈使句應(yīng)用not to.如。這里是unless引導(dǎo)的條件狀語從句，遵循主句用一般將來時(shí)，從句用一般現(xiàn)在時(shí)態(tài)，從句主語是you ,動(dòng)詞用原形。47．Unless you ________ your ID card, the teacher won’t let you in.A．will have B．have C．had【答案】B【解析】【詳解】句意：除非你有身份證，否則老師不會(huì)讓你進(jìn)去的。根據(jù)對(duì)話的意思可知，第一個(gè)空表示過去發(fā)生的事情對(duì)現(xiàn)在的影響，應(yīng)用現(xiàn)在完成時(shí)態(tài)；第二句話主語Every student和動(dòng)詞tell構(gòu)成被動(dòng)關(guān)系，應(yīng)用被動(dòng)語態(tài)，而且這個(gè)動(dòng)作發(fā)生在過去，應(yīng)用一般過去時(shí)。Do…know一般現(xiàn)在時(shí)態(tài)，一般疑問句形式；Are…known是一般現(xiàn)在時(shí)的被動(dòng)語態(tài)；Have …known現(xiàn)在完成時(shí)，一般疑問句形式；Will…know一般將來時(shí)，一般疑問句形式。 was told D．Will...know。 will tell B．Are...known。marry結(jié)婚，是短暫性動(dòng)詞，不可以持續(xù)，get married to ，排除A和D；be married to ，表示狀態(tài)，故答案為C。45．He _________________ his wife for ten yearsA．has married B．has been married withC．has been married to D．got married to【答案】C【解析】【詳解】句意：他和妻子結(jié)婚十年了。Jack Johnson has gone to London. 。總之，說話時(shí)該人不在現(xiàn)場(chǎng)，一般不用第一、第二人稱代詞作句子的主語。可與just, ever, never等連用，例如： I have just been to the post office. 我剛才去郵局了。例如：Mr. Brown has been in Shanghai for three days. 布朗先生來上海已經(jīng)有三天了。since yesterday morning自昨天早晨以來，表示的是截止到目前為止的時(shí)間段，用于現(xiàn)在完成時(shí)態(tài)，排除A；arrived為短暫性動(dòng)詞，不能與表示一段的時(shí)間狀語連用；have been to表示某人去過某地，也不能與表示一段的時(shí)間狀語連用，故答案為C。44．Has your cousin arrived in Beijing yet?Yes. She Beijing since yesterday morning.A．a(chǎn)rrived in B．has arrived in C．has been in D．has been to【答案】C【解析】句意：你表弟到北京了嗎？是的。本句考查過去進(jìn)行時(shí)態(tài)。故答案選A。根據(jù)句中時(shí)間狀語for about 5 minutes可知?jiǎng)釉~應(yīng)該用延續(xù)性動(dòng)詞，時(shí)態(tài)為現(xiàn)在完成時(shí)態(tài)。clock this afternoon.A．is cooking B．was coo