He got injured because of his faulty brakes. He ______to see if his brakes were working properly.

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问题 He got injured because of his faulty brakes. He ______to see if his brakes were working properly.

选项 A、must check
B、should check
C、must have checked
D、should have checked

答案D

解析 本题考查虚拟语气。句意:由于刹车问题,他受伤了。他本应该提前检查下刹车是否正常。前边说的是过去已经发生的事情,后边是对过去的虚拟,表示“本应该做什么”用should have done,所以本题选D。
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