Tony ________ for the company as an engineer for two decades. Now he teaches mechanics in Peking University.
A.has workedB.workedC.is workingD.had worked
B

試題分析:句意:托尼曾在公司當(dāng)經(jīng)理二十幾年,現(xiàn)在他在北大教機(jī)械學(xué)。根據(jù)第二句可知托尼在公司上班發(fā)生在過去,故選B。
點(diǎn)評(píng):本題難度適中。動(dòng)詞時(shí)態(tài)是高中階段的重難點(diǎn)之一,高中要求掌握的時(shí)態(tài)需要考生牢記它們的用法,但是時(shí)態(tài)必須要結(jié)合一定的語境才能做出正確的判斷。
即學(xué)即練:When Alice came to, she did not know how long she       there.
A.had been lying  B.has been lying    C.was lying   D.has lain
解析:A。句意:當(dāng)Alice蘇醒過來時(shí),她不知道她在那兒躺了多久了。過去完成進(jìn)行時(shí)主要表示持續(xù)到過去某時(shí)之前的動(dòng)作。came to蘇醒過來是過去時(shí),蘇醒前的情況是過去的過去,強(qiáng)調(diào)過去的過去里發(fā)生的事,故選A。
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