—Mum, can I go to the zoo with Jack this weekend?
—When your homework , you can.
A. is done
B. was handed in
C. will be pleted
D. had been finished
网友回答
(答案→)A. is done
B. was handed in
C. will be pleted
D. had been finished
解析：考查被动语态。这里是when引导的时间状语从句，故从句中用一般现在时，而作业与做之间是被动关系，故用一般现在时的被动语态。故选A。