21. English is a language that many young people around the world not speak perfectly but at least understand.
A. may; can B. would; might C. will; must D. could; might
22. –Did you remember to pay the telephone bill?
–The telephone bill? ______. I’ll do it right away.
A. Oh, I just forgot all about it. B. Are you sure?
C. My telephone is out of order. D. Please remember the amount.
