国家开放大学 / 综合英语（1）
– Do you know where I can post the letter?
– _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
a.I put the letter on your desk in the office.
b.What letters do you post?
c.There’s a post office at the end of St. Beach.
– _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
a.I put the letter on your desk in the office.
b.What letters do you post?
c.There’s a post office at the end of St. Beach.
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