用方框中词的适当形式填空，每空限填一词。

are  pencil  a  she  he  on  cousin  family  parent  good

Hello , I’m Kate. Today is Sunday . My __1___are all at home. My grandparents are in the living room （客厅）. They like watching TV. They have _2___color TV. Look, that is my __3___. She is a nice girl . ___4__ name is Mary Smith. She has two erasers and three___5___. My little brother Jack is __6__ the sofa. __7___ is playing computer game. My __8____ are in the kitchen(厨房). They are cooking. Mary and I __9___ in the same school . We are ___10___students.

一条直线有两个端点，存在互为正反的两个坐标方位角，其值相差180°。（）