5．keep one's word信守诺言

6．spy on暗中监视，窥探

7．be determined to do sth.决心做某事

8．keep pace with(与......)步调一致，(与......)同步

9．before long不久，很快

Ⅲ.重点句式

1．must have done

I must have sounded very proud of myself after the quiz...

考试之后，我一定是听上去洋洋得意......

2．否定前移

I don't think I can ever truly forgive her.

我不认为我能真正原谅她。

3．so＋be动词/助动词/情态动词＋主语

Football is very important to me，but so is our friendship.

足球对我来说很重要，友谊也是如此。

4．cannot help doing sth.

...I cannot help wondering if he wants Peter to be his best friend instead of me.

......我忍不住想他是不是想让彼得取代我做他最好的朋友。

5．if引导的条件状语从句的省略

If so，the problem lies with you，not her.

如果是这样的话，问题在于你而不在于她。

Ⅰ.课文阅读理解

1．What is the secret about in the first letter?

A．Family problems. B．A test score.

C．Love affairs. D．Wrong doings.

答案　B

2．Sarah felt betrayed by her friend，Hannah，because she thought .

A．Hannah had been her best friend since primary school

B．Hannah was the only one who knew her mark

C．it was the secret between Hannah and her

D．Hannah let out her secret