1、用must问,肯定和否定是如何回答的。
如:Must I return your book next week?
2、解释一下一下倒桩,为何要用so he does
You say he likes playing computer games,(so he does) and (so do I).
3、解释一下一下答案
(Watch your step),young man!If you're late for work again,
you'll lose your job.
谢谢大家~!祝你们晚上能睡得香~!
eric