问题补充:
Mary ______ thejobheofferedtoher,butshedidn’t.A.can’t takeB.ought to have takenC.should takeD.must have taken
答案:
B解析考查虚拟语气。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。
时间:2021-06-29 06:15:47
Mary ______ thejobheofferedtoher,butshedidn’t.A.can’t takeB.ought to have takenC.should takeD.must have taken
B解析考查虚拟语气。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。