解析：句意：由于他说的话，她的脸变红了。名词性从句what he said作介词because of"由于"的宾语。

　　3．(2015·湖北高考改编)The girl used to be shy, but is __gradually__(gradual)getting active in group work and is more willing to express herself.

　　解析：考查副词。修饰动词用副词形式。句意：这个女孩过去很内向，但是现在她逐渐踊跃参加集体讨论而且很愿意表达自己了。

　　4．Actually, his new novel __is_based__(base) on his own experience.

　　解析：句意：事实上，他的新作是以自己的经历为主写成的。be based on..."以......为基础"。

　　5．Of these two basketball teams, the former comes from the US; the __latter__(late) comes from England.

　　解析：the former..., the latter..."前者......，后者......"，为固定用法。

　　6．-I hear a number of workers in the factory __are__(be) out of work.

　　-Yes, and the number __is__(be) quite huge.

　　解析：句意："我听说那家工厂里有很多工人失业了。""是的，而且人数还很多。"a number of后接可数名词复数，作主语时，谓语动词用复数；the number(of＋名词)作主语时，因其中心词是the number，所以谓语动词仍要用单数形式。

　　7．Who do you suggest __(should)_be_sent__(send) to work there?

　　解析：句意：你建议谁被派到那儿工作？

　　8．Every minute was made use of __to_practice__(practice) spoken English.

　　解析：考查固定短语的用法。句意：每一分钟都被利用练习英语口语了。make use of表示"利用"，其逻辑宾语是句子的主语every minute。make use of... to do sth."利用......来做某事"，不定式在此表示目的。