I'll do what I can( )you when you are in trouble.A.to help B.help 问:为什么不能选B?请用语法解释
问题描述:
I'll do what I can( )you when you are in trouble.
A.to help B.help
问:为什么不能选B?
请用语法解释
答
I'll do what I can( )you when you are in trouble.
A.to help B.help
问:为什么不能选B?
请用语法解释