【題目】It’s good to learn English by _____ English programs.

A. watch B. watches C. watching D. watched

【答案】C

【解析】句意：通過觀看英語節(jié)目來學習英語是很好的。watch觀看，動詞原形；watches第三人稱單數(shù)形式；watching動名詞形式；watched過去式�？涨�by是一個介詞，表示通過……方式，后面跟名詞或者動名詞形式。故應(yīng)選C。

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