— 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. 

You _ to the meeting this afternoon if you have something important to do.

–When can I get the result of the test, sir?–You ____ have it next Friday.

－Are people around you used to _______things online?－Yes. It’s much easier, and also cheaper.

We should spend as much time as we _______ over our lessons.