It worried her a bit her hair was turning greyA.whichB.thatC.ifD.for
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It worried her a bit _____________ her hair was turning grey
A.which
B.that
C.if
D.for
试题答案
B
解析：主要测试主语从句。分析句子结构可知句子中用了形式主语it，句子的译文为：她的头发逐渐变白让他非常担心。答案为B。