My parents ______ in Nanjing for about twenty years.

题型：单选题题类：常考题难易度：普通

仁爱科普版九年级上Unit 1 The Changing WorldTopic 1 Our country has developed rapidly. 语法专题练习：现在完成时

A、worked B、are working C、have worked D、work

举一反三

——No, he ______ for three hours.

— Oh, I as ill as I do now for a long time.

—No, I __________ it for three years.

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