Mary the job he offered to her, but she didn’t.A.can’t takeB.ought to have taken
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Mary ______ the job he offered to her, but she didn’t.
A.can’t take
B.ought to have taken
C.should take
D.must have taken
试题答案
B
考查虚拟语气。Ought to have taken="should" have taken意为：本应该做却未做；根据后面的but she didn’t可知这是一个与过去事实相反的虚拟语气。
应该用：情态动词+have done的形式。