【正文】
表示從過(guò)去某個(gè)時(shí)間持續(xù)到現(xiàn)在一直發(fā)生的動(dòng)作用現(xiàn)在完成時(shí)態(tài)或現(xiàn)在完成進(jìn)行時(shí)態(tài),故答案選D。had usedB. 【點(diǎn)評(píng)】考查時(shí)態(tài),本題涉及現(xiàn)在完成進(jìn)行時(shí)。C.changed故選C。was reviewing28.He is sure to pass the test, for he_____ his lessons for the test every day over the past month. A.have been doing【答案】 D 【解析】【分析】句意:為了找到失蹤的孩子,村民們?cè)谶^(guò)去五小時(shí)里一直在盡力做自己能做的事情 。27.In order to find the missing child, villagers _____ all they can over the past five hours. A.was motivating【答案】 B 【解析】【分析】句意:五四運(yùn)動(dòng)于1919年發(fā)起,其精神一直激勵(lì)著中國(guó)青年為民族復(fù)興而努力。has been motivating 【點(diǎn)評(píng)】考查時(shí)態(tài),本題涉及現(xiàn)在完成進(jìn)行時(shí)。D.C.B. appearances you draw! —I ______many websites about aliens.A.——她一直在為下周一的駕駛考試做準(zhǔn)備。B.will prepare故選A。had been working。am working。have been working。so busily recently that I 根據(jù)all the time recently可知句子用現(xiàn)在完成進(jìn)行時(shí)態(tài),故答案為:C。D.C.B. all the time recently.A.故選D。21.You ____your depression for long, and now it39。根據(jù)句意可知應(yīng)采用現(xiàn)在完成進(jìn)行時(shí)態(tài),強(qiáng)調(diào)動(dòng)作一直在延續(xù)。B.was painting說(shuō)明坐火車上班一直持續(xù)到現(xiàn)在以后可能還在做。C.s why I ________ to work by train.A. 【點(diǎn)評(píng)】考查現(xiàn)在完成進(jìn)行時(shí)。C.is plaining18.My friends from the mainlandhas been hunting for【答案】D 【解析】【分析】句意:——Lucy這些天似乎不在。C.根據(jù)本題題意,“我”已經(jīng)從一周前開(kāi)始,持續(xù)工作直至現(xiàn)在(有表達(dá)時(shí)間段的提示短語(yǔ)the whole week),唯有現(xiàn)在完成進(jìn)行時(shí)可表達(dá)這一含義,應(yīng)選用have been doing的結(jié)構(gòu),故選C。have been workingwork表示過(guò)去的事情一直延續(xù)到現(xiàn)在而且還在進(jìn)行,因此用現(xiàn)在完成進(jìn)行時(shí),故選B。B.15.—To our relief, rescue work is under way in the quakehit area in Mexico.—Yes, volunteers are helping to distribute the donated provisions that _______.A.has been watchingB.14.He _______ it for two hours, and he39。C.was writing13.—You look pretty tired today!—I D.C.B.in the library every night over the last three months. A.【點(diǎn)評(píng)】考查時(shí)態(tài),本題涉及現(xiàn)在完成進(jìn)行時(shí)的應(yīng)用,現(xiàn)在完成進(jìn)行時(shí)表示動(dòng)作從某一時(shí)間開(kāi)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。went【答案】B 【解析】【分析】。has been going構(gòu)成:have+been+doing。was waiting【答案】 C 【解析】【分析】考查現(xiàn)在完成進(jìn)行時(shí)。have been waitingwaitedam waiting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(yǔ)氣中“it39。D. will takeC.have increased。他不可能這樣,他只工作了一個(gè)小時(shí)。8.— Tom says he is too