Question

—When did you finish your homework last night?
—A bit late, ________ my father came back home from work.

A．though

B．unless

C．if

D．until

Answer 1

D

试题分析：though虽然，尽管；unless除非，如果不；if是否，如果；until直到。句意：昨晚你什么时候完成的你的作业？——有点晚了，一直到我父亲下班回家。结合语境可知选D。