My classmates come from a ________ of backgrounds.
My classmates come from a ________ of backgrounds.
A、vary
B、various
C、variety
D、varies
【正确答案】:C
【题目解析】:vary 变化;various 各种各样的;variety n.多样;varies 使不同;由题意可知,此处填名词,排除B,D,句意:我的同学来自不同的背景。C符合题意。

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