您好!请帮我看看以下英语句子是否有误,

您好!请帮我看看以下英语句子是否有误,
1.Chinese chess teaches me a truth that pride does lead to most failures.
2.Achievements are reached by hard work rather than recreation.Actions are done after thorough consideration rather than casual decision!.
3.I don't know how long I can act as such a funny tutor.
5.What are you going to do during the May Day holiday?
6.I just stayed at home.I can't find somewhere to go.And you?How about your holiday?
7.Dad,you are right!We should keep doing things that we consider right,even though others criticize us.As a soldier,I should have my own opinion and be strong!
8.Mom,you as well as dad are my best friends in my life,who will walk furthest together with me.Happy Mother's Day to you!
9.Little friends,you need to study hard and make progress every day.
10.Have you said goodbye to them?Why?
11.没有什么比与你们一起去野营,一起在田野漫步更让我开心.Nothing makes me more happier than camping and wandering in field together with you