问题
选择题
---Mrs. White looks old for her age.
---Yes. It worries her most ______ her hair is turning gray. [ ]
A. while
B. if
C. that
D. for
答案
答案：C
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---Mrs. White looks old for her age.
---Yes. It worries her most ______ her hair is turning gray. [ ]
A. while
B. if
C. that
D. for
答案：C