读一读,根据意思填写合适的单词,完成句子.（每空填一个字母）
In the ( ) ( ) ( ) ( ) ( ) ( ) ( ),I can find many interesting(有趣的）books.
Mike has ( ) ( )class in the afternoon.He plays football with his friends.
--What's seven and three?--------It's( ) ( ) ( ).
( ) ( ) ( ) and ( ) ( ) ( ) is eight