Because of the financial crisis, days are gone ______ local 5-star hotels charged 6,000 yuan for one night.

Why didn’t you ask us for help when you were in trouble—I __________. I managed perfectly well on my own.

In order to help the police ，the witness described what he had seen very carefully not to ______ any detail.

The fresh air _____ our health and we _____ it.

What a beautiful necklace!—Yes.But the necklace I __________ 80 dollars is made of glass.