Life for us is _________exercise in making different choices and can never come
to_________end until the end of life itself.
| A．/; / | B．/; an | C．an;/ | D．an;an |
If your race car isn’t insured, you may _______losing everything when it hits something solid.
| A．delay |
| B．deny |
| C．avoid |
| D．risk |
----I’m sure Andrew will win the first prize in the final.
----I think so. He for it for months.
| A．is preparing |
| B．was preparing |
| C．had been preparing |
| D．has been preparing |
environmental damage is done, it takes many years for the ecosystem to recover.
| A．Even if |
| B．If only |
| C．While |
| D．Once |
---Could you do me a favour?
----It depends on it is.
| A．which |
| B．whichever |
| C．what |
| D．whatever |
There have been several new events to the programme for the Olympic Games.
| A．add |
| B．to add |
| C．adding |
| D．added |