单项选择题

Hardly a month goes by without ______ of another survey revealing new depths of scientific illiteracy among US citizens.

A. words
B. word
C. a word
D. the word
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单项选择题
All ______ is a continuous supply of the basic necessities of life.
A. what is needed
B. for our needs
C. the thing needed
D. that is needed
单项选择题
We passed the examination, ______.
A. and so he did
B. and neither did he
C. and so did he
D. but he did
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