题目

补全对话 A. You're welcome. B. What about this one? C. Is this your schoolbag? D. Can you help me find it? E. What's your ID card number? F. What color is your schoolbag? A: Good morning.B: Morning, Ms. Miller. 1 can't find my pencil box. A: OK. We have five schoolbags here at the Lost and Found.B: It's black.A: B: No, this schoolbag is green. Mine is black.A: OK. B: Yes, it's mine. Thank you, Ms. Miller.A:图中物体A的重力为3.63.6N．