7 be afraid of doing/that

　　小女孩害怕独自在家。

　　The little girl is afraid of staying at home alone。

　　她害怕和陌生人说话。588.es

　　She is afraid of talking to strangers。

　　恐怕今天她来不了。

　　I’m afraid that she can’t come today。

8 be busy doing sth。

　　学生们正忙着准备期末考试。

　　The students are busy preparing for the final exam。

　　他每天忙于做化学题而不读英语，所以英语学得不好。

　　He’s busy doing the chemistry exercises instead of English， so he doesn’t learn English well。

　　我国体育健儿正忙于备战2008年北京奥运会。

　　The Chinese players are busy getting ready for the 2008 Beijing Olympic Games。