物体仅在重力的作用下，从静止开始下落的运动，叫做自由落体运动．物体仅在重力的作用

   Hello. I'm Tom. I'm a middle school student. It's nice to meet you here. First, let me tell you    1  about
my family. There are five people in my  _ 2   . They are my mother, my father, my sister, my brother and
me.
   My father is a worker. My mother is an English teacher. My sister is eighteen and my brother is sixteen. I'm fourteen. We    3  go to the same school. We all enjoy   4   football games.
   My    5   is at West Street. There is a big tree and some small trees around my house. The big one is a
pear tree and the small ones are apple    6  ,    7  there    8   any pears or apples on them now.    9    a
photo of my house. In the photo, you can see three cats in my house. They are all black and white. We 
  10   them very much.