Mark _________ in China for 10 years and now he teaches Chinese in Britain.

题目

Mark _________ in China for 10 years and now he teaches Chinese in Britain.
A.has worked B.worked C.had worked D.is working

答案

我跟楼上意见不同,我觉得选B.因为 now he teaches Chinese in Britain,说明现在已经不在China,不能用现在完成时,而要用过去式.为何不选C呢?过去完成时had done 只能用在特定的语境,是不能单独使用的.如：The plane h...