问题
选择题
—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
答案
答案：A
”---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。”