_____at the door before you enter the room, please.

I don’t like to _____ a room with a stranger.

The audience stood and （ ） at the end of the performance.

Education cannot be （ ） in any country.

The Blacks are _____ people in the little town.

The tall tree, （ ） leaves are darker than those of the other two, is as old as grandpa.

Some cities have passed laws that allow coal and oil_____only if their sulfur content is low.

She （ ） tell white lies to make people feel better, to smooth things over.

She heard a continual strange noise coming from the next room, her heart （ ） fast.

No sooner _____ stepped out of the hall than it began to rain.

I have no objection （ ） your design for the new type of machine this time.

The wind_____us and we won the sailing race.