The computer in 1946 in America.
—Are you going to Guilin by plane?—It’s fast but expensive, so I’m not sure. I __________ take a train.
—How many computers are there in the room?—__________. Some workers moved them to another place just now.
He thought he ________ a teacher two years later.
It’s too cold in the room. Please keep the door _______.
Unluckily, my grandma fell downstairs and her legs were badly _______.