i have had和 i had had 有什么区别?
i have had和 i had had 有什么区别?
I (had) answered the telephone.加had与不加had有什么区别?
if I have 和If I had的区别
i have had dinner 和 i had my dinner 在翻译上有什么区别?完成时和过去时就不要提了,谁
best i ever had和best i have ever had的区别?
i had hoped 和i had thought 怎么区别?
I have had it.
I have had enough
I have had it
HAs HAD 和HAVE HAD区别
have been 和had been 什么区别
have has had ...是有什么区别?