( ) My sister is cool.
A. very B. a C. little
小雪想说：“我的电脑是蓝色的。”她应这样说：________
A．My blue is computer.
B．My computer is blue.
小雨说：“墙是黄色的。”他应说：________
A．The wall is green.
B．The wall is yellow.
刘星向人介绍：“这是我的教室。”他应说：________
A．This is my classroom.
B．That's my room.
The floor is________(绿色的).
A．blueB．green C．black
The________is yellow.
A．teacher desk
B．teachers' desks
C．teacher's desk