________ anything, give me a call and I'll be glad to help you.
| A．Had you required | B．Should you require |
| C．Would you require | D．Could you require |
This machine _______. It hasn’t worked for years.
| A．didn’t work | B．wasn’t working | C．isn’t working | D．doesn’t work |
their nationalities, we will make friends with anyone who is friendly.
| A．Regardless of | B．Thanks to | C．Except for | D．Despite |
The eggs were a bad smell. Nobody wanted to eat anything. .
| A．giving off | B．giving away | C．giving up | D．giving out |
― It is reported that Americans eat too much protein each day.
―They eat ______as they actually need.
| A．as twice much | B．much as twice | C．as much twice | D．twice as much |
_______China’s first manned space flight took place?
| A．When it was that | B．Was it when that | C．When was it that | D．Was it that when |