.--- My Chinese is ____ of all the subjects, can I help you? --- Sure.

The girl is at school. __________ is busy with her work.

--- Which do you like better,Han Han or Guo Jingming?--- __________. In fact ,I prefer Jiang fangzhou.

Don’t worry about ________. He can do it well by himself. 

English people ___________ use “Mr” before a person’s given name.