题目内容：

根据括号里所给的汉语写出英语单词。

1.The boy is too young to look after __________(他自己).

2.Our __________ (生活）conditions are getting better and better.

3.His father __________(教）him to swim when he was young.

4.Don't be afraid of making ___________ (错误）when you speak English.

5.__________ (数千）of tourists visited Mount Fanjing on May 1st.