At vs. To 4

Senator Smith declined _____ comment on recent developments.
1. at
2. to
Bill Clinton spoke _____ commencement at UCSD in 1997.
1. at
2. to
We arrived _____ the airport 90 minutes before our flight.
1. at
2. to
He moved _____ Los Angeles two years ago.
1. at
2. to
"Cell phones are not permitted _____ school," the principal said.
1. at
2. to
Many Americans believe that foreigners should not be permitted _____ make campaign contributions to U.S. candidates.
1. at
2. to
The boy threw a rock _____ the passing car.
1. at
2. to
Many parents now read _____ their children at night.
1. at
2. to
I know you're angry, but there's no need to yell _____ me.
1. at
2. to
A study in Britain found that children taught _____ home learn more than children who go to school.
1. at
2. to