What Do You Know About Spring?

关于春天的知识，你了解多少？为下面的这些问题勾选出正确答案，看看你对春天知多少吧！

1. The day in spring becomes （shorter/longer）.

2. In spring， the bears are very （sleepy/full/hungry）.

3. China celebrates Arbor Day（植樹节） on （March/April） 12.

4. One of the spring flowers is （peach flower/sunflower/rose）.

Keys： 1. longer 2. hungry 3. March 4. peach flower