4．A．but                B．club             C．cup

    3．A．running          B．exciting        C．interesting

    2．A．comedy          B．Sundays        C．comedies

    1．A．son                B．fun               C．aunt

20．我认为你的答案不对。

I ________ ________ your answer is right.

19．当老师走进教室时，学生们立刻停止了谈话。

When the teacher came into the classroom, the students ________ ________ at once.

18．为什么不让孩子们做他们喜欢的事情?

________ ________ let the children do what they like?

17．老师让我们每天说英语。

The teacher tells us ________ ________ English every day.

16．你昨天花了多长时间做作业?

How long ________ it ________ you to do your homework yesterday?

15．布莱克太太经常在英语上帮助我们。

Mrs. Black often ________ us ________ our English .