你知道他们要去哪里吗?
⑴I want to buy a book.{#blank#}1{#/blank#} A.
⑵I want to drink a cup of coffee.{#blank#}2{#/blank#} B.
⑶I want to buy some milk.{#blank#}3{#/blank#} C.
⑷I want to buy a stamp.{#blank#}4{#/blank#} D.
⑸I want to see the doctor.{#blank#}5{#/blank#} E.
⑹I want to eat a hamburger.{#blank#}6{#/blank#} F.