2. 外语
  3. When a pencil is partly in a glass of water, it looks as if it______.

When a pencil is partly in a glass of water, it looks as if it______.

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问题 When a pencil is partly in a glass of water, it looks as if it______.
选项 A、breaks
B、has broken
C、were broken
D、had been broken
答案C
解析 本题考查的是虚拟语气。as if表示“好像”，当后面的情况和实际不符时，要用虚拟语气。即如果是与现在相反，则用过去时，而且谓语若是be则改为were；如果是与过去事实相反，则用过去完成时。在这里是表示一般情况，所以用过去时。而表示断了，用be broken．应为were broken，所以选C。
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