这里的if状语从句修饰哪个动词

It is impolite to start eating first if there are older people at the table.
请先 登录 后评论

1 个回答

It is impolite to start eating first if there are older people at the table.【分析】(1)if状语从句修饰?to start eating first?(2)it?指to start eating first if there are older people at the table
请先 登录 后评论