(   ) 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

A    形容詞修飾不定代詞something ,anything等詞時(shí),要放在不定代詞的后面;some及some-用于肯定句中,而any及any-用于否定句及疑問(wèn)句中。

題目來(lái)源:仁愛(ài)英語(yǔ)同步練習(xí)冊(cè)九年級(jí)上冊(cè)仁愛(ài)版 > Topic2 All these problems are wery serious.

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