21. Independent learning gives you the freedom ________ your learning to your demanding lifestyle.
A. tailored B. to have tailoring C. to tailor D. tailoring高考资源网
22. Computers,have many uses, cannot completely take the place of humans.
A. that B. though C. which D. as
23. ---I’m sorry. Iat you the other day.
---Forget it. I was a bit out of control myself. 高考资源网
A. shouldn’t shout B. shouldn’t have shouted
C. mustn’t shout D. mustn’t have shouted