How about raising money for the handicapped children?
→ Let’s raise money for the handicapped children. (How about + V-ing = Let's + V)

It's not good for you to stay up late.
→ You should not stay up late. (It's not good for you to do sth = You shouldn't do sth)

How about organizing a craft fair?
→ Let’s organize a craft fair. (How about + V-ing = Let's + V)

Why don’t we recycle cans and bottles?
→ You should recycle cans and bottles. (Why don't we do sth = You should do sth - đưa ra lời khuyên cho người nghe)

Let’s have a fun run on Sunday morning.
→ How about having a fun run on Sunday morning? (Let's + V = How about + V-ing)

Let’s go to the movies.
→ How about going to the movies? (Let's + V = How about + V-ing)

Let’s go to the cafeteria this afternoon.
→ What about going to the cafeteria this afternoon? (Let's + V = What about + V-ing)

How about having a craft fair?
→ Let’s have a craft fair. (How about + V-ing = Let's + V)

Let’s play chess tonight.
→ Why don’t we play chess tonight? (Let's + V = Why don't we + V)

It’s a good idea to join an English course to improve all the skills.
→ You should join an English course to improve all the skills. (It's a good idea to do sth = You should do sth)