Dinosaurs lived millions ________ years ago.
A．for B．with C．of
刘星和小雨大声说：“这是我们的学校。”他们应这样说：________
A．This is our school.
B．Our school is big.
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