单项选择题

The ______ of three and five is four.
A. avenue B. subtraction C. average D. total

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单项选择题
One of the sides of the board should be painted yellow, and（）white.

A. the other is
B. the other
C. another
D. another is
单项选择题
There was a terrible （） as the crowd waited to hear who had been killed in the

accident.<br>  
A. impression  
B. diffusion   
C. tension   
D. stimulation
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