Are you going camping this afternoon?
A typhoon is coming I'm not sure _______ the road to the mountains will be closed.( )
A.whichB.whatC.whetherD.why
---Who is making much noise? ---It ____ be Timmy. He is sleeping now.
-- Must I write down all the new words now? No, you_______
—Peter doesn’t mind lending you his camera. —He _______. I’ve already borrowed one.
—May I borrow your English book? —No , you _______.
---Will you please stay here for the party? ---Sorry, I _____. I have to go to visit my grandfather in hospital.