We have greatly _____ in our knowledge of the world.A．approachedB．advancedC．expa_刷题宝

题干

We have greatly _____ in our knowledge of the world.

A．approached

B．advanced

C．expanded

D．expressed

上一题下一题 0.85难度单项选择更新时间:2019-08-06 02:43:23

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