A-A+
He is not in the office. He must have gone to have classes ______ ？A．didn"t heB．doesn"t h
问题详情
He is not in the office. He must have gone to have classes, ______ ？
A．didn"t he
B．doesn"t he
C．mustn"t he
D．hasn"t he
请帮忙给出正确答案和分析，谢谢！
考点：
