单项选择题

A．He compared scientific discoveries by young people.
B．He went to the bookstore to buy a lot of books.
C．He searched for useful information in the library.
D．He looked at some discoveries by old people.
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单项选择题
A．Books a room.B．Reserves a room.C．Confirms his reservation.D．Tells the receptionist he has reserved a room.
A．Books a room.
B．Reserves a room.
C．Confirms his reservation.
D．Tells the receptionist he has reserved a room.
单项选择题
A．In the park.B．Between two buildings.C．In his apartment.D．Under a huge tree.
A．In the park.
B．Between two buildings.
C．In his apartment.
D．Under a huge tree.
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