There are 40 students in our class，who come from a ________of backgrounds.A．var_刷题宝

题干

There are 40 students in our class，who come from a ________of backgrounds.

A．variety

B．mixture

C．extension

D．combination

上一题下一题 0.64难度单项选择更新时间:2012-08-10 10:40:06

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