________? I hope it was not serious.
They have built another new library for the students—About_____ of the books in their library are written in English．
We are going to play basketball _____ Sunday.[ ]
_______ is the Yellow River,5,300 kilometers or 6,300 kilometers?—5,300 kilometers, I think .[ ]
This is your pencil. ________ is over there, on the desk.