—Whose is the pencil box?—It________be Tom’s.Look at his name on the cover!
_____ of our classmates are good at basketball.
—After P.E. I often feel thirsty. —Why not buy some _____ to drink?
You have just read the newspaper. Did you find _________ in it?.
Mom always tells me that nothing can be learned _______hard work..
_____ excellent work you have done!