精英家教網 > 高中英語 > 題目詳情
—Mum,  why have us eat much vegetable?
—Because it is _____ to our health.
A．benefitB．benefited
C．beneficialD．benefits
C
這題考查詞性：根據(jù)句子結構，be動詞后面應該填形容詞，選C，句意是：媽媽，為什么讓我們吃那么多的蔬菜？--因為這對我們的健康有益。
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