The lift in that tall building went wrong and got trapped _____ floors. People in it had no way to get out.
The person sitting opposite _____ Mr.Smith is our new manager.
I’m not a teacher in this school.I _____ until a new teacher arrives.
The scientists are urging that the chemical _____.
“Changes should be made in the prison for the conditions there are _____,” said the reporter.
Mr.Smith was very glad _____ as the manager of the company.