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s,故選C【點(diǎn)評(píng)】本題考查現(xiàn)在完成時(shí),注意since是現(xiàn)在完成時(shí)的標(biāo)志詞之一。13.——Where is Mr. Wang?——He together with his students ________ Zhuyuwan Park.A.has gone toB.have gone toC.has been toD.have been to【答案】 A 【解析】【分析】句意:— 王老師在哪里?—他同他的學(xué)生去了Zhuyuwan公園。A. has gone to去了,沒(méi)在這里。主語(yǔ)是單數(shù);B. have gone to去了,沒(méi)在這里。主語(yǔ)是復(fù)數(shù);C. has been to去過(guò),沒(méi)在那里;主語(yǔ)是單數(shù);D. have been to去過(guò),沒(méi)在那里;主語(yǔ)是復(fù)數(shù)。本句He是主語(yǔ),together with his students是介詞短語(yǔ),做定語(yǔ)不是主語(yǔ),所以用has。王老師去公園了不在這里,所以用has gone to。故選A。【點(diǎn)評(píng)】考查主謂一致和短語(yǔ)的用法。14.Mike used to be a top student, but he behind since he lost himself in puter games.A.fellB.has fallenC.wasD.has been【答案】 D 【解析】【分析】句意為“Mike過(guò)去是尖子生,但自從迷上電子游戲以來(lái)成績(jī)落后了”。由since可知but后的主句用現(xiàn)在完成時(shí),瞬間動(dòng)詞fall不能和since引導(dǎo)的時(shí)間狀語(yǔ)從句連用,故用延續(xù)性動(dòng)詞be。故選D。【點(diǎn)評(píng)】本題考查現(xiàn)在完成時(shí)中非延續(xù)性動(dòng)詞和延續(xù)性動(dòng)詞的轉(zhuǎn)換。15.So far Tom with Mary _______ 50 left behind children to do their homework after school.A.helpB.helpedC.has helpedD.have helped【答案】 C 【解析】【分析】此題要掌握現(xiàn)在完成時(shí)的時(shí)間狀語(yǔ)及主語(yǔ)+with 短語(yǔ)是單數(shù)的概念,即可得出答案。選C。16.More than 80 people______ in the earthquake______ last week. A.died。 forB.have been dead 。 sinceC.have died。 sinceD.have been dead。 for【答案】 C 【解析】【分析】句意:自從上個(gè)周有超過(guò)80人在地震中傷生。for+時(shí)間段;since+時(shí)間點(diǎn),自從……時(shí)起,主句用現(xiàn)在完成時(shí),句中的時(shí)間狀語(yǔ)last week是時(shí)間點(diǎn),故用since。本句并非表示“死亡”這個(gè)狀態(tài)的延續(xù),而是指從過(guò)去某一時(shí)間到現(xiàn)在“死亡”這個(gè)動(dòng)作發(fā)生了多少次,所以選C符合語(yǔ)境?!军c(diǎn)評(píng)】考查現(xiàn)在完成時(shí)。17.His cat has ________ for five weeks.A.diedB.been deadC.dyingD.dies【答案】 B 【解析】【分析】句意:他的貓已經(jīng)死了5個(gè)星期了。die是短暫性動(dòng)詞,不能表示狀態(tài)的延續(xù)。 由時(shí)間狀語(yǔ) for five weeks可知應(yīng)用延續(xù)性動(dòng)詞,故答案選B?!军c(diǎn)評(píng)】考查現(xiàn)在完成時(shí)。18.I a cold. I am not feeling well nowA.caughtB.have caughtC.was catchingD.had caught【答案】 B 【解析】【分析】句意:我感冒了,我現(xiàn)在不舒服。catch a cold意為“感冒”。由句意可知應(yīng)用現(xiàn)在完成時(shí)。故選B?!军c(diǎn)評(píng)】考查現(xiàn)在完成時(shí)。19.一 Have you ever 1