根据括号里所给的汉语写出英语单词。The boy is too young to look after __________(他自己).
Our __________ (生活)conditions are getting better and better.
His father __________(教)him to swim when he was young.
Don't be afraid of making ___________ (错误)when you speak English.
__________ (数千)of tourists visited Mount Fanjing on May 1st.