Lesson 3
Lesson 3 Lesson 3 Please use the sidewalk. It's safe. Don't play with fire. It's dangerous. Please wait for the green light. Don't run down the stairs. Don't climb on the window ledge. The light is green. Please go. Don't climb the tree. The light is red. Stop. Don't play football in the street. Please play football in the playground.
登录后可以听外教原声朗读。
Lesson 3
Lesson 3
Please use the sidewalk. It's safe.
Don't play with fire. It's dangerous.
Please wait for the green light.
