Had they known what was coming next, they________ second thoughts.A．may haveB．c
题型：不详难度：来源：
Had they known what was coming next, they________ second thoughts.| A．may have | B．could have | C．must have had | D．might have had |
|
答案
D
【考点】虚拟语气中的情态动词 |
解析
| 本句是一个倒装句，可还原为：if they had known what was coming next, they might have had second thought。根据had known提示，可知是与过去事实相反，因此虚拟语气主句中应该用would/might +have done，由此可见答案D符合语境。 |
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