where must the puma have come from?对过去的事进行推测,疑问句和否定句中要用can和can't.这句话中的must是不是用错了?

分类: 作业答案 • 2021-12-20 03:29:28

问题描述：

where must the puma have come from?
对过去的事进行推测,疑问句和否定句中要用can和can't.这句话中的must是不是用错了?

答