填空:David talked with a friend of _ on the Internet for a long time yesterday.
问题描述:
填空:David talked with a friend of _ on the Internet for a long time yesterday.
答
his
答
his;
大卫昨天和他的一位朋友在网上聊了很长时间。
答
his
a friend of his 他的一个朋友
答
his
a friend of his
即his friend