Will you please wait a moment? He ________ fetch a tape from a friend. He'll be back in half an hour.A.needsB.needs toC.need toD.need
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B解析need用于肯定句中一般用作实义动词，第三人称单数现在时要加s，过去时加-ed，作情态动词一般用在疑问句，否定句和含有否定意义的句子中，如：I don't think you need to worry about it.因此本例句中need用作实义动词，用need to do结构。