题目内容
It worried her a bit ________ her hair was turning gray.A. while
B. that
C. if
D. whether
答案:B
解析:
提示:
解析:
| 前面的it是形式主语,that引导主语从句。
|
提示:
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题目内容
It worried her a bit ________ her hair was turning gray.A. while
B. that
C. if
D. whether
| 前面的it是形式主语,that引导主语从句。
|