Now in China the number of old people is increasing, and in the future China is becoming a country of __________ citizens.
| A．junior | B．super |
| C．senior | D．major |
It’s really very dangerous.One more step,________the baby will fall into the well.
| A．or | B．so | C．and | D．but |
Let me have a rest,________?
| A．do I | B．don’t I | C．shall I | D．may I |
Open a window,________?
| A．wouldn’t you | B．won’t you | C．would you | D．don’t you |
Don’t make so much noise,________?
| A．will you | B．won’t you | C．shall we | D．do you |
The child ought to be punished,________?
| A．shouldn’t he | B．oughtn’t the child | C．ought he | D．should he |