speak to 和 talk to
问题描述：
speak to 和 talk to
_Hello,this is David.May I __ to Linda?
_Sorry,he is out now.You may call later.
A say B talk C speak
,为什么不选B呢?我觉得是没有什么区别的啊.
答
talk是面对面的谈话；speak是专门的电话用语.