题目内容
It worried her a bit her hair was turning grey.A. while B. if C. that D. for
答案：C
解析：
提示：
解析：
| that引导主语从句，“她的头发变白使她很担忧”。
|
提示：
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题目内容
It worried her a bit her hair was turning grey.A. while B. if C. that D. for
| that引导主语从句，“她的头发变白使她很担忧”。
|