1.It's warmer today. So the ice is much than it was yesterday.
2.—What a high building! Do you know its ?
—Yes. It's about 92 meters high.
3.Millie fell off her bike yesterday. , she wasn't badly hurt.
4.There is an (空的) bottle on the road. Everyone should be careful.
5.If everyone think about pollution and recycling, we can protect the air and
help (救) our world.