问题 选择题

Gary Locke , a Chinese-American, once______ as the governor of Washington for 8 years and now is U.S.Commerce Secretary.

A.had worked

B.worked

C.is working

D.has been working

答案

答案:B

考查动词时态。华裔美国人骆家辉当过8年的华盛顿州的州长,如今是美国商务部长。这里有延续性时间状语,但叙述的是与现在没有联系的过去动作,用一般过去时。

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