21. How are your lessons _____?
A. getting on B. getting on with C. get along D. get along with
22. It takes a long time to _____ a good fame, but it is quickly lost just because of one piece of bad behaviour.
A. put up B. set up C. build up D. turn up
23. The users of this new mobile phone can check e-mails _____ they happen to be.
A. whatever B. wherever C. what D. where
