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【題目】Healthy food and exercise ________ me to keep in good health.

A. helpsB. helpC. helpingD. to help

【答案】B

【解析】

句意:健康的食物和運動有助于我保持健康。

考查主謂一致。helps動詞的第三人稱單數形式;help動詞原形;helping動名詞或動名詞; to help動詞不定式。根據句子的主語Healthy food and exercise可知,此空作謂語,故排除CD;主語是并列連詞and連接的兩個主語,謂語不能用第三人稱單數形式,排除A,故選B

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