He did not regret saying what he did but felt that he _________ it differently.
| A．could express | B．would express |
| C．could have expressed | D．must have expressed |
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 |
______ on his past mistakes, Ted realized that he had stayed around the wrong people.
| A．To reflect | B．Reflecting | C．Reflected | D．Being reflected |