The earth is our house. We must _____ the land,air and water clean.
來源：新能源網(wǎng)
時間：2024-08-17 09:21:30
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The earth is our house. We must _____ the land,air and water clean.【專家解說】：keep 當(dāng)意思為保持環(huán)境衛(wèi)生整
【專家解說】：keep 當(dāng)意思為保持環(huán)境衛(wèi)生整潔時 用 keep
keep clean是常用的詞組
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