题目内容：

根据句意选择括号中适当的词填空
1.Our teacher's home is ----(on,at) the second floor.
2.We go to school ---(in,by)bus everyday .
3.Please brush your teeth ---(before,after)
4.There are two chairs.One is for my teacher;---(the,one)other is for me.

优质解答

1.Our teacher's home is ----(on) the second floor.2.We go to school ---(by)bus everyday .3.Please brush your teeth ---(after) 4.There are two chairs.One is for my teacher;---(the)other is for me.