—Why didn't you answer my phone when I phoned you at about 11 p. m. yesterday?
—I ___________and failed to hear the phone.
| A．might have slept | B．must be sleeping |
| C．might be sleeping | D．must have been sleeping |
Why do you think people tend to _______ red roses with love?
| A．match |
| B．associate |
| C．join |
| D．compare |
He is only joking. Don’t his words too seriously,
| A．keep |
| B．make |
| C．take |
| D．think |
---Will you hurry up? When will you ？It’s already too late.
---Oh, just a few lines.
| A．get along |
| B．get away |
| C．get through |
| D．get over |
As a environmentalist, he hopes to devoted his life water and air pollutiona peaceful life.
| A．prevent; living |
| B．preventing; living |
| C．prevent; to live |
| D．preventing; to live |
--- How about going to Hainan by plane?
--- We’d better not,the cost, l feel nervous at such a high altitude.
| A．Apart from |
| B．Due to |
| C．As a result of |
| D．In response to |