The best way to explore _______ countryside is on _______foot.
“I______in the room, watching TV broadcast about the earthquake.” I told the policeman who had driven here to question me.
Write down the key words that you __________ your students to find in the passage.
_______in charge of the shopping center has upset him for quite some time.
The computer looks old, but it _________ just half a year ago.
The art centre is _____ used to be a factory, _____ millions of tractors were made.