They can help us.改一般疑问句.并作肯定和否定回答.(加中文)

问题描述:

They can help us.改一般疑问句.并作肯定和否定回答.(加中文)

can they help us?他们能帮助我们吗?
Yes,they can.是的,他们能.
No,they can't.不,他们不能