Mr. Black _____ for Shanghai in a few days. Do you know when the earliest plane ____on Sunday?
| A．leaves; takes off | B．is leaving; takes off |
| C．is leaving; is taking off | D．leaves; is taking off |
Your coat is smarter than mine, but mine is _________ cheaper than yours.
| A．somewhat | B．a lot of | C．well | D．so |
Tell John not to leave the house unless he _________ that the lights_________.
| A．will make sure, will be turned off | B．will make sure, will turn off |
| C．makes sure, are turned off | D．is made sure, will be turned off |
Will you see to ______ that my birds are well looked after while I am away?
| A．them | B．yourself | C．it | D．me |
______ you apologize for what you have just said ______ it is all over between us.
| A．Either; or | B．Not only; but also | C．Whether; or | D．Neither; nor |
. --- The terrible accident is under investigation.
--- Actually, quicker action______ those workers trapped in the mine.
| A．might have saved | B．must have saved |
| C．should have saved | D．could have saved |