Look at _______eraser on the desk.Whose is it?A.a B.an C.the
Planes are _________ than trains and buses.
My father drives sick people to the hospital, because he is a/ an _______.
My new classmate, John is a boy from ____.
Put the sofa ______ the TV set, then we can watch TV comfortably in it.
This summer holiday _________ people came to Beijing to watch The 2015 World Athletics Championships(田径世锦赛).