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2011届高考英语语法解题专项复习30
1. It worried her a hit _______ her hair was turning grey.
A. while B. that C. if D. for
2. You will be late _________ you leave immediately.
A. unless B. until C. if D. or
答：B．It为形式主语，that从句为真正主语。
3. _________ the days went on, the weather got worse.
