Who do you often do the shopping _______

Would you like some more chicken? — No thanksI am a diet and I’m trying to weight

He had collected plenty of historical evidence, proved that humans used to have different sleeping patterns.

Because of the strong sun Mrs. William’s new dining room curtains _____ from dark blue to gray within a year.

Beijing is a big city, isn’t it––Yes. In fact, it’s one of ____ cities in the world.