[题目]When a pencil is partly in a glass of water, it looks as if it .A. breaks B. has broken C. were broken D. had been broken 题目和参考答案——青夏教育精英家教网—

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【题目】When a pencil is partly in a glass of water, it looks as if it __________.

A. breaks B. has broken C. were broken D. had been broken

【答案】C

【解析】句意：当把铅笔的一部分放到水中时，它看起来就像是断了一样。as if 引导的句子，有时用虚拟语气，有时不用。原则上说，若指事实或客观规律，不用虚拟语气；用虚拟语气时若指现在，从句谓语动词用一般过去时(be用were)，本句语境语义就决定了要用were broken; 若指过去，用过去完成时had +过去分词；若指将来，用过去将来时或用were to do sth.

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