9．
阅读对话，判断正误
(It's 9 o'clock in the morning.)
A: I'm sorry, Miss Zhao, I'm late (迟到) .
B: It's OK (没关系).
Come in, Helen. Close the door, please.
A: OK, Miss Zhao. .
B: Look at this blue pencil case. Helen, is
this your pencil case?
A: No, it isn't.
B: Where's your pencil case?
A: It's in my schoolbag.
B: What colour is your pencil case?
A: It's red.
