—My son is addicted to computer games. He is hopeless, isn't he?
—Yes, _____ he is determined to give up and start all over.
| A．if | B．when | C．even if | D．unless |
--- Do you think we should accept that offer?
--- Yes, we 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．are having; runs |
____ the working efficiency(工作效率), the boss allows the employees to have a coffee
break.
| A．Improving | B．To improve | C．Having improved | D．Improved |
Such __ medical equipment is in ____ danger of breaking down, if not taken good care of.
| A．a; the | B．a; / | C．/; the | D．/; / |
----- Sorry to keep you waiting for long．I’ll make short work of this．
----- _____．I’m not in a hurry．
| A．Take it easy | B．Take your time | C．Not at all | D．Do as you like |
Mr．Barret doesn’t think that all bad language should be allowed．In his opinion, there are _____ that should be kept up．
| A．degrees | B．levels | C．limits | D．standards |