英语学习：口语对话之邀请朋友到家做客

humans are social animals， and we have evolved to be in groups. it found that those who had a large network of friends outlived those with the fewest friends by 22%.

　　情景对话1：

　　玛丽打电话找汤姆，邀请他参加为吉姆举行的惊喜生日晚会。

　　tom： （answering the phone）hello？

　　（接电话）喂？

　　mary： hello. may i speak to tom please？

　　喂，我找汤姆。

　　tom： speaking.

　　请讲。

　　mary： hi， tom， this is mary. i'm a friend of jim's.

　　汤姆，我是玛丽，吉姆的朋友。