George Bush served two terms as president,_____ 英文语法填空 A. didn't he B. isn't he C.wasn't he
问题描述：
George Bush served two terms as president,_____ 英文语法填空 A. didn't he B. isn't he C.wasn't he
求问哪个是正确的?+解释谢谢
答
选择A
served是行为动词,反义疑问句使用didn't