【題目】My father ______ in China for 20 years already. He thinks his job is great.

A. will work B. works

C. has worked D. is working

【答案】C

【解析】試題分析：句意：我父親已經(jīng)在中國工作了20年了。他認(rèn)為他的工作很棒。表示過去開始的動(dòng)作一直延續(xù)到現(xiàn)在，是現(xiàn)在完成時(shí)的用法。本題用現(xiàn)在完成時(shí)，故選C。

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