When a ruler is partly in a glass of water, it looks as if it______.A、breaksB、h

游客2023-11-08 48

问题 When a ruler 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

解析当表示所叙述的情况与事实相反时，as if从句中应使用虚拟语气。这里讲的是折射，事实上尺子并没有断，这是对一般事实的虚拟，故用一般过去时。选C。

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