When we think of trees at Christmas, there is ________ that immediately springs to mind－the evergreen tree beautifully decorated.

－ Do you like  _______here?－Oh, yes ,the air ,the weather, the way of life. Everything is so nice.

 I’m very grateful to Professor Smith, without __________ help I would have never have got this far.

In societies where social roles are determined, boys usually copy the behavior of their fathers, and girls usually also copy _____ of their mothers.

Some foreign media predict that all these reforms will make China a strong and powerful country,  ______ that can surprise the whole world.