The new machine, if properly, will work for at least ten years.
| A．used | B．use | C．using | D．being used |
By the time he realizes he into a trap, it’ll be too late for him to do anything about it.
| A．walks | B．walked | C．has walked | D．had walked |
--- Do you think we should accept that offer?
--- Yes, w
e should, for we such bad luck up till now, and time out.
| A．have had; is running | B．had; is running |
| C．have; has been run | D．have had; has been run |
------ It shouldn’t take long to clear up after the party if we all volunteer to help.
------ That’s right.________.
| A．Many hands make light work | B．Something is better than nothing |
| C．The more the better | D．The sooner, the better. |
Nancy enjoyed herself so much ______ she visited her friends in Sydney last year.
| A．which | B．that | C．where | D．when |
It looks like the weather is changing for ______ . Shall we stick to our plan?
| A．the worse | B．worse | C．the worst | D．worst |