1.They want to know ______ do to help us.A.what they can C.whether they can

问题描述:

1.They want to know ______ do to help us.A.what they can C.whether they can
但我选了c.

选a的话意思是:他们想知道能帮我们做些什么. 如果按c的意思应该是说:他们想知道能否帮我们做些什么.完整的句子应该是:they want to know whether they can doanything to help us.