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have you been doing【答案】D 【解析】【分析】考查時態(tài)。has been waiting【答案】 D 【解析】【分析】句意:從他疲憊的臉上,我可以看出他已經(jīng)排了很長時間的隊了。 【點評】考查動詞時態(tài)和短語turn over。in my mind ever since. A.have been painting【答案】 D 【解析】【分析】句意:——怎么啦,杰克,你看起來如此疲憊!——噢,我一直都在粉刷房子,并且我明天必須完成。D.B.20.Housing prices_____ since a few years ago. Therefore, it39。s subway cars are too old pared with what they pay for subways in Beijing. A.had operated【答案】A 【解析】【分析】句意:自2017年10月。have been working根據(jù)over the last three months可知強調在過去時間段,一直從事某件事,優(yōu)先選擇現(xiàn)在完成進行時,即C項正確。C.本句的時間狀語是“for decades幾十年來”,該時間狀語通常和現(xiàn)在完成的有關時態(tài)連用,本句強調這幾十年來大山一直努力把中國相聲和西方的脫口秀相結合。【點評】現(xiàn)在完成進行時表示動作從某一時間開始,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。re late again! I ________ here for over two hours!A. 【點評】考查時態(tài),掌握現(xiàn)在完成進行時的用法。注意掌握結構現(xiàn)在完成進行時的結構:has/have +been+現(xiàn)在分詞。 went,have,gone D.4.We can’t get sleep with a strong wind3.— Look, the light is still on in Helen39。was writing beenmustn’t。t finishedC.have increased。 will takeC.D.have been waiting故B正確。B. 【點評】考查時態(tài),本題涉及現(xiàn)在完成進行時。were pouring in【點評】考查時態(tài),本題涉及現(xiàn)在完成進行時的應用。B.was painting23.A new monetary policy will take effect next month. Really good news, especially for those panies that _______ with money. A.24.Our headteacher ____for months to make sure that we understand the importance of concentration. A.故選C。B. 【點評】考查時態(tài),本題涉及現(xiàn)在完成進行時。B.B.was preparing30.—Nice to see you again after all these years. What ________?—Well, I39。B.故選A。had worked29.Judith ______ on her new novel which is supposed to e out next month. A.is waiting由ever since可知,本句為現(xiàn)在完成進行時,表示動作從某一時間開始,一直持續(xù)到現(xiàn)在,或者可能仍然要繼續(xù)下去。C.分析本句可知,try這個動作現(xiàn)在以前這一段時間里一直在進行,這個動作可能仍在進行。故選C。B.根據(jù)all the time recently可知句子用現(xiàn)在完成進行時態(tài),故答案為:C。s/was time that?!堑?,志愿者們正在幫助分發(fā)捐贈的物品?!军c評】考查動詞時態(tài),本題涉及現(xiàn)在完成進行時的應用。—我已經(jīng)連軸轉努力了一整個星期來寫我的畢業(yè)論文。is learning句意:四個小時以來,我一直都在做家庭作業(yè),但是我不確信我是否能在明天上交它。B.10.Housing prices ________ since the end of the last year. Therefore, it39。B.B.outside. C.C.can’t。 goneD.do