---Do you know ________?
--- I'm not sure. Maybe he is a businessman.
| A． who he is | B．who is he | C．what he does | D．what does he do |
Steps must be taken ________ this kind of disaster will never happen again.
| A．because | B．even if | C．as | D．so that |
—It was careless of you to have left your clothes outside all night.
—My God! _____.
| A．So did I | B．So I did | C．So were you | D．So did you |
The traffic in our city is already good and it ______ even better.
| A．gets | B．got | C．is getting | D．has got |
The book has been finished and will ______ next month.
| A．come about | B．come true | C．come out | D．come along |
It is reported that the United States uses ____ energy as the whole of Europe.
| A．as twice | B．twice much | C．twice much as | D．twice as much |