It worried her a bit _ her hair was turning gray

来源：百度知道 编辑：UC知道 时间：2024/06/24 13:42:45

填that
that her hair was turning gray才是真正主语
It只是形式主语
她的头发已经开始慢慢变白，这使她有些担心。

that
that her hair was turning gray做真正主语

because
for
since只要是因为的意思都可以

填that
it作形式主语 真正主语是that引导的从句
如果填表示因为的单词，此句的意思就翻译不通

that！！！！！

so that