【題目】______ TV too much is bad to children’s health.

A. To watch B. Watching C. Watch D. Watched

【答案】B

【解析】句意：看電視太多對孩子們的健康不好。動詞不定式作主語表示具體的、一次性的動作，動詞的-ing形式作主語表示泛指的、抽象的概念。動詞和過去分詞不可以在句中作主語。故選B。

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