【題目】 Eating a lot of vegetables __________________ good for your health.

A. am B. is C. are D. be

【答案】B

【解析】動(dòng)名詞短語(yǔ)作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞要用第三人稱單數(shù)形式。

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