Question

It worried her a bit _____________ her hair was turning grey

1. A.
   which
2. B.
   that
3. C.
   if
4. D.
   for

Answer 1

B
解析：
主要測試主語從句。分析句子結構可知句子中用了形式主語it，句子的譯文為：她的頭發逐漸變白讓他非常擔心。答案為B。