A computer ______ think for itself. It’s always told to do things.A. mustn’t B. can’t C. shouldn’t
— What did that man ask you, Mary? — He asked me .
The boy is old enough to_____.
He wanted to make _____ that people would want to buy.
It’s not fine today. You’d better ____ out. Why ___ stay at home watching TV?
—How ______ will his family return? —In a week.