第2题: [单项选择]Television is another major instrument of communication ______ us to see as well as to hear the per former. A. permitted B. permit C. permitting D. being permitted 参考答案:C 答案解析:非谓语动词题。本题中permitting分词短语结构相当于which permits us to see as well as to hear the performer做定语。其逻辑主语是instr