---Welldone,Jack!---Thanks.Butgivenmoretime,I__________itbetterA.shouldn

发布时间:2020-08-13 21:01:33

---Well done, Jack !
---Thanks. But given more time, I__________ it betterA.shouldn't have doneB.could have doneC.might not doD.could do

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B解析本题为情态动词的考查。根据题干得知动作已经发生,情态动词+动词的完成式表示对过去的推测。
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