The government has done ________ to protect the environment. [ ]A. useful somethingB. something usef

题目简介

The government has done ________ to protect the environment. [ ]A. useful somethingB. something usef

题目详情

The government has done ________ to protect the environment.
[     ]
A. useful something
B. something useful
C. useful anything
题型:单选题难度:偏易来源:期末题

答案

B

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