David is talking to his friend in the phone.这句话有一处地方错了,是哪里?为什么?
问题描述：
David is talking to his friend in the phone.
这句话有一处地方错了,是哪里?
为什么?
答
David is talking to his friend over the phone.
答
1.答案：in → on/over
2.固定短语：on/over the phone 在电话里/通过电话
注：/表示可以任意选用其一.