单项选择题

I am rather concerned ______ her, for I haven't heard from her since last winter.

A) of
B) at
C) with
D) about
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单项选择题
Only under special circumstances ______ to take make-up tests.
A. are freshmen permitted
B. freshmen are permitted
C. permitted are freshmen
D. are permitted freshmen
单项选择题
Having no money but ______ to know, he simply said he would go without dinner. A) not to want anyone B) wanted no one C) not wanting anyone D) to want no one
Having no money but ______ to know, he simply said he would go without dinner.
A) not to want anyone B) wanted no one
C) not wanting anyone D) to want no one
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