----- I can ’t see the words on the blackboard clearly.----- Why, your eyes need _____ perhaps you need _______ glasses.
28. The Chairman thought ______ necessary _____ Professor Smith to speak at the meeting.
27. The problem he put forward at the meeting was _____. Which one of the following is “WRONG?”
26. Don’t all speak at once! _______ please.
25. I’m afraid he can’t _____ the idea of having a woman as his boss.
24.—John, don’t waste any time and there’s only 25 minutes left before the train leaves. —Don’t worry , mum. I think I can ____it.