选择合适的应答句。 ( ) 1. What time is it? ( ) 2. Where's the art room? ( ) 3. Is this your dress? ( ) 4. Whose cap is it? ( ) 5. Is that your jacket? ( ) 6. How much are they? A. It's on the first floor. B. Yes, it is. C. It's Mike's. D. No, it's my shirt. E. It's six ten. F. They are ninety yuan.