me emence) 19. Going to bed/ getting up / carly be/good/ your health. (Complete the sentence) 20. 1.ast month/ we/ help elderly nursing home. (Complete the sentence) 21. The Donate (A) a Book event (B) help children in (C) mountainous areas. (Find the mistake and correct it) 22. (A) Last summer Phong (B)doesn't volunteer to teach maths to (C) street children. (Find the mistake and correct it) 23. We (A) join the project Plant a Tree (B)in 2019 to make. (C) our area green. (Find the mistake and correct it) 24. (A)Children should often (B) washing their (C) hands. (Find the mistake and correct it).