给下列的问句选择合适的答语。 ( ) 1. Are they his shorts? ( ) 2. Are these her shorts? ( ) 3. Whose hat is this? ( ) 4. What day is it? ( ) 5. What's this? ( ) 6. What's he wearing? A. It's mine. B. Yes, they are. C. No! D. He is wearing a white shirt. E. It's a blouse. F. Wednesday.