—It’s a pity that Wang Qiang failed in the driving test again.
—How can you expect him to pass he hasn’t been practicing enough?
A. when
B. once
C. unless
D. though
网友回答
(答案→)A. when
B. once
C. unless
D. though
解析：”---太可惜了王强又一次没有通过驾驶考试。---你怎么能希望他过呢，当他一直都准备不充分时。”