---You were brave enough to raise objections at the meeting.
---Well, now I regret ____ that.
A. to do b. to be doing C. to have done D. having done
---Will you stay for the dinner?
---Sorry,__________. The cookers I bought online will be sent to my house this afternoon.
| A．I can’t | B．I mustn’t | C．I needn’t | D．I shouldn’t |
I need some carbon paper badly, but there is _____ at hand.
| A．none | B．no one | C．nothing | D．not anything |
“We Chinese people always put emphasis on the friendly relationships ______ the people of all countries.” said the Ambassador.
| A．with | B．under | C．to | D．between |
______ to reach them on the phone, we sent an email instead.
| A．Fail | B．Failed |
| C．To fail | D．Having failed |
He didn’t make____clear when and where the meeting would be held.
| A．this | B．that | C．it | D．these |