（届辽宁省大连市第三中学高三上学期期末考试）
----Did you make it at last?
----Yes. But for your help, it _____ a serious loss.
| A．would cause | B．must have caused | C．might cause | D．would have caused |
I know the man ____chance, but I have never spoken to him.
| A．with | B．on | C．for | D．by |
---Must I go to work with you?
--- No, you_____. Linda ______ go with me.
| A．mustn’t ; can | B．can’t ; has to | C．daren’t ; should | D．needn’t ; may |
-He seems to be a good teacher .
- _____ . He has been a teacher for 20 years.
| A．So does he | B．So he does | C．So is he | D．So he is |
The earthquake damaged many houses and bridges; ______, it caused over 2,300 deaths.
| A．otherwise | B．besides | C． therefore | D．however |
While other scientists are keeping____eye on changes in the H5N1 bird flu strain, the scientists in England are working on vaccines, in case it becomes highly infectious in ____humans.
| A．a , / | B．an, / | C．the, an | D．an, the |