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⑴I want to buy a book. A.
⑵I want to drink a cup of coffee. B.
⑶I want to buy some milk. C.
⑷I want to buy a stamp. D.
⑸I want to see the doctor. E.
⑹I want to eat a hamburger. F.
⑴离开
⑵寄,发送
⑶在……之前
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