在线名词解释大全
专业、全面、易懂的全领域名词百科
首页
>
实用英语语法
>
详细
I_______himtheChristmasgiftbymailbecausehecamehomeduringtheChristmasholidays.
题型:单选题
选项
A.
ought to have sent
B.
couldn’t have sent
C.
must have sent
D.
needn’t have sent
正确答案: