初二英语里面的 填入适当的句子,补全对话

初二英语里面的 填入适当的句子,补全对话
A：Mrs Yang,you look very worried.1.____________________?
B：I can't find my twin sons.
A：Don't worry.We can help you.2.______________________?
B：They are six years old.
A：3._________________________?
B：They are both thin with short,black hair.One is a litte taller than the other.
A：4._________________________?
B：They are both wearing a white T-shirt and bule trousers.
A：OK!Please write down your telephone number.
We'll call you as soon as we have any information.
B：5._____________________.
A：You're welcome.
打得好累= =