he 's fed the dog ,___?讲方法A isn't he B is he C hasn't he D doesn't he
问题描述:
he 's fed the dog ,___?
讲方法
A isn't he B is he C hasn't he D doesn't he
答
C
前肯后否,另外he's fed = he has fed ( 现在完成时)
加油!不明白再问!