Do you mind if I open the window? I feel a bit cold.
| A．Of course not. | B．I'd rather you didn' t. |
| C．Go ahead. | D．Why not? |
— Who are you waiting for?
— ______ the man wounded in the left leg.
| A．The doctor will operate on | B．The nurse to be looked after |
| C．The doctor to operate on | D．The nurse will look after |
The scientist corresponds with colleagues in order to learn about matters ______ to her own research.
| A．relevant | B．Instant | C．resistant | D．important |
Education should not be considered to be a(n) ______ in a modern society.
| A．privilege | B．acquaintance | C．advantage | D．affection |
It is often recommended that children _____ chances to get close to nature.
| A．are offered | B．be offered | C．should offer | D．must be offered |
— Do you think it wise for Chinese mothers to try to do everything for their children?
— No, that’s ______ they are mistaken.
| A．where | B．when | C．so | D．how |