Be +adj +for be adj to的区别 求讲解 和例题
问题描述：
Be +adj +for be adj to的区别 求讲解 和例题
1 Sleepinglesscanbehelpful_____ you, becauseyouarefat.
2 this kind of smoke is dangerous ______ our health
AforBto
答
be helpful for 和be harmful(dangerous) to 是固定句型,只需记住就行了.