这部纪录片有助于我们近距离观察美国的学校生活．
This documentary helps us the school life in America．
When Mr． Jiang got up in the morning， his suit was ironed （平整地）by the robot．
The boy threw the ball to the dog and it （接住，捉住）the ball successfully．
The dentist suggest that the girl should brush their （牙齿）before going to bed．
Nick's mother worries about his （healthy） lifestyle， though he is a collage student．
With the （develop） of Xiong'an New Area， more than 180，000jobs can be provided for local people．