New Words：

wise [waɪz] adj. 充满智慧的;明智的;英明的
strange [streɪndʒ] adj. 奇怪的；奇特的；异常的；陌生的

Sample Sentences：

She made a very wise decision.
It was wise of her not to go there alone.

A strange thing happened this morning.
Don't you think he's a little bit strange?
Don't you think his car is making a strange noise? Tell him to mend it, please.

New Words：

trousers [ˈtraʊzərz] n. 裤子;长裤
helmet [ˈhelmɪt] n. 头盔;防护帽

Sample Sentences：

How much is that pair of trousers?
Mother bought me a pair of trousers.
He was dressed in a shirt, dark trousers and boots.

I really sleep good in this new bike helmet.
People hate to wear a helmet because it's thick and heavy.

New Words：

refuse [rɪˈfjuːz] 拒绝;回绝

Sample Sentences：

I don't believe that he'll refuse to help me.
It was wise of him to refuse to spend his money.
Why did you refuse to give her a hand? She has given you so much help.

New Words：

punish [ˈpʌnɪʃ] v. 处罚;惩罚
mistake [mɪˈsteɪk] n. 错误，失误

Sample Sentences：

He and I will think of how to punish you.
He was punished for refusing to answer their questions.
If I don't punish you this time, will you promise never to do it again?

It's easy to make a mistake.
Don't worry, we all make mistakes .
You must try to learn from your mistakes .

refuse [rɪˈfjuːz] 拒绝;回绝

New Words：

fair [fer]
adj.合理的；恰当的；适当的
n.展销会；商品交易会；露天游乐场；集市

Sample Sentences：

Let's take the kids to the fair.
It's not fair! He always gets more than me.
Sometimes I feel that this world is really not fair!
I don't think it's fair to punish me for a mistake I made years ago.

punish [ˈpʌnɪʃ] 处罚;惩罚
mistake [mɪˈsteɪk] 错误，失误