He is very________ in collecting stamps.(   )

A．interested

B．interest

C．interesting

The panda has two ______ eyes. (   )

A．white

B．blue

C．black

填空题
1.Our mouth is ________.（红色的）
2.This pencil is ________.（绿色的)
3. yellow+blue=________ 黄色+蓝色=________   
4. ________+black=grey ________+黑色=灰色
5.My ball is red.（对画线部分提问）
_______ ________ is your ball?   
6.—Is this her book? （根据问句，写出否定答句）
— ________, it isn't.

选词填空。
【小题1】
In summer, it’s hot. ______ becomes ______.（snow, rain）
______ becomes ______.（ice, water）
It often ______ in Beijing.（snows/rains）
【小题2】
In winter, it’s cold. ______ becomes ______.（snow, rain）
______ becomes ______.（ice, water）
It often ______ in Beijing.（snows, rains）

My birthday gift is a new bike. It is broken suddenly. I am ______.（   ）

A．surprised

B．excited

C．happy