--- I don’t think we have met before.
--- Yes. Once at a party, but we __________.
A．didn’t introduce B．weren’t introduced
C．haven’t introduced D．weren’t introducing
He was about to cross the street __________ he heard his name .
A. when; called B. if; calling C. and ; calling D. till; called
in the queen for an hour, he suddenly realized he had left the cheque at home.
A. Waiting B. To wait C. Having Waited D. To have waited
Would it be for you to help me take my luggage upstairs ?
A. free B. vacant C. handy D. convenient
This evidence me in my opinion that they were telling lies.
A. controlled B. confused C. confirmed D. confessed
---What do you think I should do?
---I think you’d better invite him back to our party .
A. out of respect B. at the expense C. beyond control D. in favor
