He was told that it would be at least three months ___ he could recover and return to work.
| A．when | B．before | C．since | D．that |
.I should thank you that you should thank me.
| A．because | B．rather than | C．for | D．as |
Don’t women. They are as important as men for the development of society.
| A．look up to | B．look out for | C．look down upon | D．look forward to |
No one can stop him, the boy is determined to do something.
| A．even if | B．once | C．now that | D．although |
Only after the woman had her own child how difficult it was to be a mother.
| A．did she realize | B．she had realized | C．she realized | D．had she realized |
You may your teachers for help when you have problems.
| A．turn up | B．turn down | C．turn to | D．turn off |