根据句子内容选择适当的单词填空。

A．orange

B．white

C．red

D．grey

E．green

F．yellow

（1）Look at the sun. It's________.   
（2）Look at the tree in autumn. It's________.   
（3）Look at the orange. It's________.   
（4）Look at the rabbit. It's________.   
（5）Look at the panda. It's black and________.   
（6）Look at the frog. It's________.