The geography teacher told his student that the earth ________around the sun

I used to quarrel a lot with my parents，but now we________fine.

He passed through a difficult period _____ after his marriage broke down

Have they found out the _____ of the fire?– Yes. It was a cigarette end that _____ the fire.

Excuse me, where is the hospital, please—Not very far. It just takes you five minutes _________ there.