-Why I coulden't get you on the phone this moring.-We__tenni

fkzz2022-10-04 11:39:541条回答

-Why I coulden't get you on the phone this moring.-We__tennis in the yard when you phoned me.
A couldbe playing B must be playing
C must havebeen playing D should have played

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lym914 共回答了14个问题 | 采纳率85.7%
C ---今早我没能给你打通电话.
---当你给我打电话的时候,我们一定是正在院子里打网球.
情态动词+ have done 表示对过去的推测.
用进行时表示那时正在做某事
1年前

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