题目内容
16、You late for yesterday’s class meeting，as it was so important．
A．couldn’t be B．shouldn’t be
C．mustn’t have been D．oughtn’t to have been
试题答案
16、D
相关题目
题目内容
16、You late for yesterday’s class meeting，as it was so important．
A．couldn’t be B．shouldn’t be
C．mustn’t have been D．oughtn’t to have been
试题答案
16、D