-- ________ your homework yet?
-- Not yet. I _______ it.
| A．Have you done; am doing | B．Did you do; am doing |
| C．Have you done; did | D．Did you do; did |
—Must we keep the window _______ all the time?
—No, you don’t have to.
| A．opening | B．opened | C．to open | D．Open |
We _______ play on this road. There is too much traffic.
| A．must | B．mustn’t | C．need | D．needn’t |
The old man was _______ sad _______ say a word when he heard the bad news.
| A．too; to | B．enough; to | C．such; as | D．so; as |
—Why do you like living in the countryside?
—Because there’s _______ noise and _______ cars there.
| A．less; fewer | B．fewer; less | C．less; less | D．fewer; fewer |
—Would you please pass me today’s newspaper?
—_______
| A．Yes, please. | B．Here you are. |
| C．You are welcome. | D．Not at all. |