Waste paper _______ everywhere. It’s our duty to keep the school clean.
| A．throws | B．are thrown | C．shouldn’t be thrown | D．should be thrown |
I hope we will have _______ people and _______ pollution.
A. fewer, less B. fewer, fewer C. less, less
I don’t know if he________ to the park tomorrow. If he ________, I won’t go, either.
A. goes, goes B. will go, doesn’t go C. will go, won’t go
There _______a football match in this school next week.
A. will have B. is going to have C. will be
---Could we buy a piano, Jack?
---I’m afraid there ______ enough room for one in the house.
| A．aren’t | B．are | C．isn’t | D．is |
--Could you please _____ in the room?
--Oh, I’m sorry.
| A．not smoking | B．not smoke | C．not to smoke | D．don’t smoke |