We should do to help protect the environment. It's our duty to do so.A. something usefulB. anything usefulC. useful somethingD. useful anything 题目和参考答案——青夏教育精英家教网—

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( ) 4. We should do to help protect the environment. It's our duty to do so.

A. something useful

B. anything useful

C. useful something

D. useful anything

4. A 形容词修饰不定代词something,anything等词时，要放在不定代词的后面；some及some-用于肯定句中，而any及any-用于否定句及疑问句中。

题目来源：仁爱英语同步练习册九年级上册下册合订本 > Topic2 All these problems are wery serious.

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