—John has put forward _______ most challenging question for us to answer.
—Yes, it really is. I have never heard _______ harder one.
| A．the; 不填 | B．不填; the | C．the; the | D．a; a |
–It’s hard for me to go to sleep.
–Try to ____ the amount of coffee you drink during the day.
| A．cut up | B．cut in | C．cut down | D．cut off |
There was a big fire in the building last night. ____, all the people were able to escape.
| A．Unluckily | B．Fortunately | C．To be sure | D．Above all |
You must try some of her home-made wine and it’s quite ____ experience! I know from ____ experience it is very good.
| A．the; the | B．an; an | C．an; / | D．/;an |
There ____ a terrible accident then, ____ three passengers were killed and twenty were injured as well.
| A．was occurred; which | B．was occurred; in which |
| C．occurred; which | D．occurred; in which |
In yesterday’s newspaper, it was reported that great damage ____by the flood.
| A．has been done | B．had been done | C．has done | D．had done |