问题
选择题
______the boy has already corrected his mistake, we should not punish him any more.
A．Since
B．Until
C．Unless
D．Although
答案
答案：A
题目分析：句意：既然这个男孩已经改正了他的错误，我们不应该再惩罚他了。Since自从 Until直到……才 Unless除非 Although尽管，选A。