These examples show that all individuals，__________ they are rich or poor, should be responsible __________ they are involved in law.
| A．if; when |
| B．if; as long as |
| C．whether; as long as |
| D．whether; since |
The education of _______young is always _______ hot and serious topic in modern society.
| A．the; / | B．a; the | C．/; the | D．the; a |
_________the authorities continue to crack down football betting _________a new hope in the future.
| A． If only; Chinese soccer can see | B． Only if; can Chinese soccer see |
| C． If only; can see Chinese soccer | D． Only if; see Chinese soccer can |
.—Why, Jack! Someone seems to have called you over there.
—Yes? I ________ that.
| A． am not realizing | B． haven’t realized | C． didn’t realize | D． don’t realize |
.—I wonder how much you charge for your services.
—The first two are free, _______the third costs ＄30.
| A． while | B． until | C． when | D． before |
.—When did you ________ to do the work?
—Two months ago, we are through 80% of it at the moment.
| A． set off | B．set about | C．set up | D．set out |