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

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!