Look at _______eraser on the desk.Whose is it?A.a B.an C.the
—_________ did he play soccer? —About 3 hours.
—Could you please help me do homework this afternoon? —_________ I will be free after 2:30 in the afternoon.
Peter is ________of the three boys, but he’s _______than the other two.
—Where is Jack?—He _________ basketball on the playground.
There is ________ useful book on the desk, _________ useful book belongs to my brother.