—You___________ stop me. —Even if you __________it, I won't allow you to swim across the river.
According to the time table , the train for Beijing______ at seven o’clock in the evening .
Henry escaped ____ by admitting his mistake.
I first met Lisa three years ago. She _____ at a shop at the time.
He studies the subject _____.
Charles Babbage is generally considered ______ the first computer.