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

There was nothing we could do _____ wait at that moment.

If you are interested in this position, you can _____ to our personnel department for an interview.

Richard is American, John is British—they have different （ ）.

These tickets for the performance are （ ） until the end of the month．

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

If you suspect that illness might be serious，you should not （ ） going to the doctor.

Today, household chores have been made much easier by electrical （ ）.

Millions of Americans take vitamins and minerals, （ ） that these pills can help to prevent serious illnesses.

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

Greatly agitated, I rushed to the apartment and tried the door, （ ） to find it locked.

I suppose that when I come back in ten years’ time all these old houses _____ down.