1.Let's go to the park!让我们去公园吧！

2. Let's go to the playground .咱们去操场吧

3. Let's go to bed .咱们睡觉吧

4. Let's clean the classroom.让我们打扫教室吧！

5. Let's clean the teacher's desk.让我们打扫讲台吧！

6. Let's clean the windows.让我们擦窗户吧！

7. Let's clean the desks and chairs.让我们擦桌椅吧！

8. Let's clean the fish bowl.让我们打扫鱼缸！

9. Let's help you.让我们帮助你吧

10. Let's go.让我们去吧。