就3道英语题目.谢谢,怎样做啊

问题描述:

就3道英语题目.谢谢,怎样做啊
1.Can he play ball games?用before改写 2.They can't fly kites at all用when they were ten改写 3.Where is the dog用just now改写

Could he play ball games before?
They couldn't fly kites at all when they were ten.
Where was the dog just now?