5. Could you help me with my English?

4. Is there anything else I can do for you?

3. Could you give me a hand with this?

2. Would you like some help?

1. Shall I help you with that?

20. learn about 了解

　　 ☆交际用语☆

19. on the ocean floor 在大洋底

18. in space 在太空

17. a variety of 一系列的

16. have fun 玩耍，消遣