问题
选择题
— Dad, may I go out with my friends?
— Unless your homework .
A.has been finished
B.has finished
C.finishes
D.will finish
答案
答案:A
题目分析:句意: ---爸爸,我可以和朋友出去吗?---除非你的作业已经完成了。主语是“your homework”,应该是被完成,用被动语态,排除B、C和D。故选A。