he asked me if i know where he lived,用if不行的吗?一定要用whether?为什么?
问题描述:
he asked me if i know where he lived,用if不行的吗?一定要用whether?为什么?
答
都可以,都意为:是否
he asked me if i know where he lived,用if不行的吗?一定要用whether?为什么?
都可以,都意为:是否