单项选择题

I wanted to be sure ________ a sudden emergency that we gave the right advice.

A．on account of
B．in case of
C．at the risk of
D．in spite of
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单项选择题
Prof. Flynn found no students in the lecture hall when he arrived. Only then did he realize that he came ________ early.
A．too much
B．so much
C． much too
D．much so
单项选择题
Martin Luther King, Jr. persuaded his followers to bring the ________ of the American Negroes to the attention of the United Nations, but they did not act very effectively.
A．conspiracy
B．pledge
C．plight
D．compulsion
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