What _____ Kathy fell and hurt her knee?[ ]

What a _____ cold you have! I think you need a warm coat _______.

I’m tired after that long class.— Well, you can ________ for ten minutes(分钟).

China is larger than _________ in Africa.

I `d like to go walking with you, ____________ I have so much homework to finish today. —That’s all right .Let’s go out for a walk ____________day