---IsJackondutytoday?---It______behim.Itishisturntomorrow.A.mustn’tB.w

发布时间:2020-08-04 15:44:28

---Is Jack on duty today?
---It ______ be him. It is his turn tomorrow.A.mustn’tB.won’tC.can’tD.needn’t

网友回答

C解析情态动词表示推测,肯定性推测用must,否定性推测要用can’t
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