专题限时训练(五) [动词时态和语态]
(限时：10分钟)
( )1.—Fined $20! You know you ________ 100 km an hour, don’t you?
—No, officers. I can’t have been. This car doesn’t do 80.
A．are driving B．have driven
C．had driven D．were driving
( )2. —How can you use my computer without permission?
—Oh, I ________ to tell you. I hope you don’t mind.
A．forget B．forgot
C．have forgotten D．am forgetting
( )3.—I wonder what has become of your company?
—________？It is as good as ruined because of bad management.
