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

We have sweaters ________ all colors ________ ￥50 each. [ ]

Liu Mei wants ____ a doctor when she grows up.

This is _______ English class. I hope you can enjoy English.

The new airport has been in _______ for two years and it _______ to be a quiet place.