(2013·哈尔滨四校高三统一检测)The old man often looked back on the past days ________ he worked hard to make a living.

Howcold it is! We’ve never had ______ this winter

I go_____to the stadium when there’s a game. But usually I watch it on TV.

The twins, who ______ their homework, were allowed to play badminton outside.

She has a strong belief that she will _____ her country to take part in the Olympic Games. [ ]