Not until all the fish died in the river ________ how serious the pollution was.
| A．did the villagers realize | B．the villagers realized |
| C．the villagers did realize | D．didn’t the villagers realize |
Don’t have him ________ outside all the time.
| A．stand | B．to stand |
| C．stood | D．standing |
The country itself didn't have enough gas because of the war, so the government decided to_____ its gas supply to other countries.
| A．cut in | B．cut off |
| C．cut up | D．cut away |
—I don’t like this kind of music.
—_______. It’s too noisy.
| A．Nor do I | B．Neither am I |
| C．Nor I do | D．Neither I am |
—Does he like tea or coffee?—Sorry. I don’t know ______ he prefers.
| A．which | B．that | C．how | D．what |
_______, a learned man makes fewer mistakes in life than a man without knowledge.
| A．In general | B．As general |
| C．On general | D．At general |