What idea can a man who is blind from birth have ____ color?
| A．in | B．of | C．with | D．for |
He had hardly reached home _______ an unexpected guest came to visit him.
| A．then | B．when | C．the moment | D．than |
Had they known what was coming next, they ___________ second thoughts.
| A．may have | B．could have | C．must have had | D．might have had |
I don’t know how it ___________ that our car was bumped from behind.
| A．let out | B．gave out | C．got about | D．came about |
—How do you like your trip to Hainan?
—________,I enjoyed it very much，although the weather was hot sometimes.
| A．In addition | B．On the whole |
| C．In other words | D．On the other hand |
-----Why didn’t you ring me up?
----- Sorry, I forgot your phone number. Otherwise, I _____ long before.
| A．had rung you up | B．must run you up |
| C．would have rung you up | D．would ring you up |