单项选择题

So much （）his financial position that he can’t sleep at night.

A. he worries about
B. he worried about
C. did he worry about
D. does he worry about

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单项选择题
21（）

A.usual 
B.common 
C.daily 
D.everyday
单项选择题
Mary’s parents are worried about Mary because no one was aware（）she had gone.

A. of where
B. where that
C. the place
D. where of
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