根据句意，选择恰当的词填入句中。
at  long   watermelon  short  night  moon  sun
1.In summer, it's hot. I like to drink ________ juice.   
2.At ________, the ________ is high in the sky. It's big and bright.   
3.The shadow is ________ in the morning but it is ________ at noon.   
4.The ________ rises in the morning. It goes down in the evening.   
5.________ night, the stars are high in the sky. They are beautiful.

The________ is fast, but it is not cheap.    （   ）

A．bike

B．bus

C．plane

写出划线部分单词的同类词。
【小题1】Let me show you this classroom building. On this floor, there is a ______, two offices and ten ______.
【小题2】We have a new playground. We can run, ______ and ______ there.
【小题3】This office is ______ , ______ and tidy.

父亲（   ）

A．father

B．mother

Fill the blanks. （填空）
这是我的耳朵。Here is my（_____）。
它是脸。It is a（____）。
摸摸你的嘴。（____）your mouth.