看图，完成对话。
A: Good afternoon.
B : ________ ________ .
A: ________ ________ a pencil case?
B: Yes, it is.
A: _______ you like this ______ ______?
B: Yes, I do.
A: ______ ______ ______ ______ for you.
B : Thank you.
看图，完成对话。
A: Good afternoon.
B : ________ ________ .
A: ________ ________ a pencil case?
B: Yes, it is.
A: _______ you like this ______ ______?
B: Yes, I do.
A: ______ ______ ______ ______ for you.
B : Thank you.
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