英语问题
I was on the highway when this car went past followed by a policaman car.they_____at least 150km an hour.
A must have been doing B would have done
标准答案为A.为什么不能选B?
参考答案:MUST在这里引导的虚拟语气,表推测
WOULD没有推测的意思
I was on the highway when this car went past followed by a policaman car.they_____at least 150km an hour.
A must have been doing B would have done
标准答案为A.为什么不能选B?
参考答案:MUST在这里引导的虚拟语气,表推测
WOULD没有推测的意思