He has answered the telephone.这里加has与不加has有什么区别?
He has answered the telephone.这里加has与不加has有什么区别?
he has just answered the telephone
I (had) answered the telephone.加had与不加had有什么区别?
the photo looks beautiful这里的look为什么加s 还有He has a great sport
has been 与has+动词过去分词有什么区别
The film has bugun since 30 minutes ago.这里has后不用加been吗
so he has 和so has he 什么区别
He has lived in the small house____ 30years..加什么?
He has been there for six months.has been后面为什么不加to?还有为什么要加fo
What has he bought?回答加意思
这里为什么用过去完成时?has been an in valid?has been +过分和has+过分有什么区别?
He has opened the door.和He opened the door.有什么区别?