What are you good at?
I am good at driving my car.
Why are you a good student?
Because I listen to the lectures of teachers at class.
Why are you a good daughter?
Because I help Mother wash clothes with a washing machine.
Why are you a good son?
Because I help Father fixing furniture from time to time.
How do you help your family?
I help my family by cleaning the living room.
How do you help your friends?
I help them by teaching math for 30 minutes every Saturday.
How do you try to make a better world?
I try to make a better world by keeping traffic rules.
Why do you like yourself?
Because I am generous.
(Would you like to check the questions and answers? Are they all grammatical?)
All looks good except for one word: You should use "obeying" instead of "keeping" when referring to traffic rules.
=)
Yes, I can check the questions and answers for grammar.
1. What are you good at?
Answer: I am good at driving my car.
Grammatically correct.
2. Why are you a good student?
Answer: Because I listen to the lectures of teachers at class.
Grammatically incorrect. It should be "Because I listen to the lectures of teachers in class."
3. Why are you a good daughter?
Answer: Because I help Mother wash clothes with a washing machine.
Grammatically correct.
4. Why are you a good son?
Answer: Because I help Father fixing furniture from time to time.
Grammatically incorrect. It should be "Because I help Father fix furniture from time to time."
5. How do you help your family?
Answer: I help my family by cleaning the living room.
Grammatically correct.
6. How do you help your friends?
Answer: I help them by teaching math for 30 minutes every Saturday.
Grammatically correct.
7. How do you try to make a better world?
Answer: I try to make a better world by keeping traffic rules.
Grammatically correct.
8. Why do you like yourself?
Answer: Because I am generous.
Grammatically correct.