摘要：437] The question is very important. It really needs . [译文] 这个问题很重要.需要仔细讨论. A. carefully discussing B. carefully to discuss C. to carefully be discussed D. being discussed carefully [答案及简析] A. 当need作实意动词表示"需要"时其宾语用动名词的主动形式表示被动意义或者用不定式的被动形式.

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