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

試題分析：though雖然，盡管；unless除非，如果不；if是否，如果；until直到。句意：昨晚你什么時候完成的你的作業？——有點晚了，一直到我父親下班回家。結合語境可知選D。