题目内容
—Look at your sentence! You’ve made a mistake here.
—Oh, yes. “water and air is” should be “water and air are”.
A. punctuation(标点) B. spelling C. grammatical D. word usage
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题目内容
—Look at your sentence! You’ve made a mistake here.
—Oh, yes. “water and air is” should be “water and air are”.
A. punctuation(标点) B. spelling C. grammatical D. word usage