I_____him the Christmas gift by mail because he came home during the Christmas h

游客2024-09-03  8

问题 I_____him the Christmas gift by mail because he came home during the Christmas holidays.

选项 A、ought to have sent
B、couldn’t have sent
C、must have sent
D、needn’t have sent

答案 D

解析 主句用了一句与过去事实相反的,表示必要性的虚拟语气,D符合题意。
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