21. What is your plan? 你的计划是什么?

　　22. When is the store closing? 这家店什么时候结束营业?

　　23. Are you sure you can come by at nine? 你肯定你九点能来吗?

　　24. Am I allowed to stay out past 10? 我可以十点过后再回家吗?

　　25. The meeting was scheduled for two hours, but it is not over yet. 会议原定了两个小时，不过现在还没有结束。

　　26. Tom's birthday is this week. 汤姆的生日就在这个星期。

　　27. Would you care to sit down for a while? 你要不要坐一会呢?

　　28. Can you cover for me on Friday?星期五能不能请你替我个班?

　　29. Could you do me a big favor? 能否请你帮我个忙?

　　30. He is crazy about Friends. 他对《老友记》很着迷。