________time goes by, Mother’s hair has turned grey and the wrinkles on her face deeper.[ ]

Is Tom still smoking? — NoBy next Saturday he ______ for a whole month without smoking a single cigarette

Anshan is _____attractive city. It’s such ____clean place that many tourists speak highly of it..

My parents usually go to the _______ to buy some food and drink.

____atmy classmates’ faces, I read the same excitement in their eyes