Iwasonthehighwaywhenthiscarwen

更新 2022-09-03
科目英语
题型单选题
难度中等
浏览 1618

I was on the highway when this car went past followed by a police car. They ______ at least 150 km an hour.

A．should have been doing	B．must have been doing
C．could have done	D．would have done

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