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I will hold your note until Christmas Day,________ you certa

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/19 15:05:49
I will hold your note until Christmas Day,________ you certainly will have received your allowance
A.by that time
B.at that time
C.by which time
D.at which time
C 非限制定语从句
which time 指代前面的 Christmas day
从句将来完成时 用by which time