According to the ad，if you buy the book on April 28，2009， you just pay () for it.

单项选择题What did the headmaster tell the two teachers on the next day？

单项选择题A．policemanB．motherC． father D．brother

单项选择题Father Christmas often puts presents ________.

单项选择题You can see the NOTICE ().

A．on a fish farm
B．in a fish market
C．in a fish restaurant
D．on the office walls

单项选择题On the earth， ________.