21. The boss wanted an assistant with knowledge of French and work experience.
A. the; a B. 不填; the C. a; 不填 D. the; 不填
22. is expected that it will be fine tomorrow, when we can do some outdoor
activities.
A. As B. It C. That D. Which
23. — Has your father returned from Africa yet?
— Yes, but he here for only three days before his company sent him to Australia.
A. was B. has been C. will be D. would be
24. you turn off all the lights when you leave the classroom.
A. Making sure B. To make sure C. Being sure D. Make sure
25. — I regret to say that I have shouted at you the other day.
— Forget it. I was a bit out of control myself.
A. shouldn't B. mustn't C. couldn't D. mightn't