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    E-Commerce ______ mislead customers at times even though it's more convenient and faster in general.

    A．shallB．shouldC．canD．must

    C

    解析试题分析：考查情态动词。句义：尽管电子商务更加便捷快速，但有时会误导消费者，shall用于一三人称的陈述句表警告威胁命令等，should表猜测时按道理按常规应该，must一定，can 用于陈述句表猜测，有时会，表客观可能性，更加句意多余C正确。
    考点：考查情态动词。

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