题目内容
9.Have youfigured out(弄清楚)how to start the machine?分析 句意:你已经弄清楚如何启动机器了么?
解答 答案:figured out.
根据have可知,此句为现在完成时,figure out意为弄清楚,故应用figured out.句意:你已经弄清楚如何启动机器了么?故答案为figured out.
点评 考点:考查现在完成时.
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