联系上下文，补全对话。 A. What colour are they B. What are those C. What time is it D. What colour is it E. Yes, it is 1. A: _______________, Jack? B: It's 4 :45. A: Oh, it's time for my birthday party. Where is my dress? B : ______________________________? A: It's blue and white. B: Is this your dress? A: ____________. Thank you. 2. A: ____________________? B: Those are my pants. A: Where are my shorts? B: _________________________? A: They are black and white. B: Look, they are on the bed.