【例2】用所给词的适当形式填空
A diet is important for maintaining good health. (balance)
【答案】balanced

1. balanced

【例3】根据汉语提示完成句子
丹尼没有勇气告诉他的妈妈，自己打碎了她最喜欢的杯子。
Danny doesn't tell his mum that he broke her favourite cup.
【答案】have the courage to

1. have the courage to

一、根据句意及提示填写单词
1. He wasn't (勇敢的)enough to say sorry to his friend.
2. My cousin travelled to several African (国家)last year.
3. She decided to study (化学)at university because she wants to become a scientist.
4. Even young children can show great (智慧)sometimes.
5. My great-grandmother was born in the 19th (世纪).

1. brave
2. nations
3. chemistry
4. wisdom
5. century