— Mum, would you please buy me an MP5 player? — If you can help do the dishes the whole vacation, you ______ have one as a reward. 

Michael       be a policeman, for he is much too short．

--Have you decided where to go for your summer vacation? --Not yet. We_________ go to Mount Lu. It is a good place for vacation.

If prices rise too high, the government has to do something _________ it. 

— Good morning. I've got an appointment with Ms King in her office.— Morning. You _______be Mr Jones. This way, please.