几个初一的英语句型转换.

问题描述:

几个初一的英语句型转换.
1.He always helps his mother do some housework(改为同义句)
2.We can buy "five tins of dog food" with the money?(对引号内容提问)
3.Jim is walking to "his" classmate.(对引号内容提问)

He usually helps his mother do some housework.
What can we buy with the money?
Who's classmate is Jim walking to?