—Whose is the pencil box?—It________be Tom’s.Look at his name on the cover!
This year our school is __________ than it was last year.
One of the suspects is ____ schoolboy.
---May I go home right now?---No, you____. You must finish your work first.
—This computer doesn't work.—Really?I'll have it _______tomorrow.
The newspaper says if more underground lines________ next year,it will be much easier for people to travel around Nanjing.