1. 你知道他们要去哪里吗？

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.