Tag questions

The car isn't in the garage, ____?

The trip is very expensive, ___?

Cars pollute the environment, ____?

Kim doesn't work in a hotel, ____?

She went to the library yesterday, ____?

He didn't recognize me, ____?

He won't tell her, ____?

Mr. Pritchard will be in Scotland, ___?

Carol can cope with the situation, ___?

Hugh cannot drive a car ___?

They have finished work by five o'clock, _____?

We have not done our job,____?