【正文】 ut a safety driver since October, 2017. A.is watching【答案】 C 【解析】【分析】由前半句的for two hours和后半句句意“他現(xiàn)在仍然在看”可知應(yīng)用現(xiàn)在完成進(jìn)行時(shí)。C.【點(diǎn)評(píng)】考查動(dòng)詞時(shí)態(tài)，本題涉及現(xiàn)在完成進(jìn)行時(shí)的應(yīng)用。has been struggling瑪麗上寫作課的動(dòng)作從過去持續(xù)到未來的這周末，所以要用現(xiàn)在完成進(jìn)行時(shí)。had gonewill have been living【答案】 D 【解析】【分析】句意：—他漢語說的很好。was waiting【答案】 C 【解析】【分析】考查現(xiàn)在完成進(jìn)行時(shí)。waited第一空依據(jù)since一詞應(yīng)該使用現(xiàn)在完成時(shí)，且進(jìn)行時(shí)態(tài)更能體現(xiàn)出目前的狀況，故使用現(xiàn)在完成進(jìn)行時(shí)最好；第二空是虛擬語氣中“it39。他不可能這樣，他只工作了一個(gè)小時(shí)。8．— Tom says he is too tired to go on.— He can39。7．I39。will go，have，beenC.B.didn39。t finish3．Have you ever _______ with a group?A.D.may not。 beenD.have been limiting故選C。一方面，表示推測(cè)語氣時(shí)，can’t意為“不可能”； may not意為“可能不是”；must不用于否定句；另一方面，“have/has gone to+地點(diǎn)”意為“去了某地”，表示不在說話人這兒；“have/has been to +地點(diǎn)”表示“去過某地”。studied【答案】 D 【解析】【分析】句意：你曾經(jīng)有過小組學(xué)習(xí)嗎？現(xiàn)在完成時(shí)的結(jié)構(gòu)：have+過去分詞，故選D。t finishyet用于否定句末，是現(xiàn)在完成時(shí)的標(biāo)志詞，故選C。China for eight years．A.has been in【答案】D 【解析】【分析】句意為：為什么你的外教的中文那么好?因?yàn)樗麃碇袊?guó)已經(jīng)8年了。A.ll still be some time before Jim gets back. A.B.C.D.s time the central government ________ some effective measures to bring them under control.A.have increased。re late again! I ________ here for over two hours!A.C.【點(diǎn)評(píng)】現(xiàn)在完成進(jìn)行時(shí)表示動(dòng)作從某一時(shí)間開始，一直持續(xù)到現(xiàn)在，或者剛剛終止，或者可能仍然要繼續(xù)下去。表示持續(xù)到現(xiàn)在并且仍在進(jìn)行的動(dòng)作，應(yīng)用現(xiàn)在完成進(jìn)行時(shí)。C.13．He _____ with English grammar every night over the last three months. A.has been watchedhas operated現(xiàn)在完成進(jìn)行表示動(dòng)作從過去一直持續(xù)至現(xiàn)在，這個(gè)動(dòng)作正在進(jìn)行。18．—How much do you know about the trade war between China and America?—Well, the newspapers ________ it in the past few weeks. A.20．You ____your depression for long, and now it39。故選D。22．—So much remains to be done! —Well, it39。最近來的人太多了。no time to help you with your maths. —That39?！獩]關(guān)系我自己能搞定。was preparingD.分析句意可知，本句為現(xiàn)在完成時(shí)，表示表示從過去某一時(shí)間開始一直在進(jìn)行的動(dòng)作，并有可能持續(xù)下去，其形式為：sb have /has been doing sth。D.will be waitingis preparing可知Andrew是從過去到現(xiàn)在一直在準(zhǔn)備，用現(xiàn)在完成進(jìn)行時(shí)，選B。C.30．—You look pretty tired today!—I C.