用方框中所给单词的适当形式填空。每个单词限用一次。

summer      left      nice      orange      three

小题1:_______to meet you, Tony.
小题2:Look, this flower is_______.
小题3:I like_______because(因为) I can go swimming in the river.
小题4:The playground is on the _______of my school.
小题5:There are _______ windows.