—When did your father come back last night?—He didn't come back _____ he finished all the work.

题目简介

—When did your father come back last night?—He didn't come back _____ he finished all the work.

题目详情

—When did your father come back last night?
—He didn't come back _____ he finished all the work.
[     ]
A. until
B. while
C. if
题型:单选题难度:偏易来源:同步题

答案

A

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