完成句子
①你们班有多少学生？
____ ____ students are there in your class?
② 这是一张中国地图。
This is a ____ ____China.
③ 操场在体育馆的左侧。
The playground is ____ the ____ of the sports hall.
④老师的书桌上有一些书.
There are some books ____ the ____ desk.
⑤他们16岁毕业。
They leave school when they are 16____ ____.
