A computer ______ think for itself. It’s always told to do things.A. mustn’t B. can’t C. shouldn’t
—How many workers are there in your factory, Mr Brown? —________ workers in our factory _________2000.
______ time went by, Cindy and the other kids became good friends.
Hearing the bell , all the students stopped to_________ their books , ready to go back home.
—I think the film Lost in Thailand is more wonderful than Life of Pi. —No, I think Life of Pi is _________ Lost in Thailand.
—Are you ________ that you can fix the bike ________? — Sure, I’m good at DIY.