There are some apple trees ___ her house.A .in the front of B,at the back of C.in the middle of
问题描述：
There are some apple trees ___ her house.A .in the front of B,at the back of C.in the middle of
答
答案：B
at the back of 表示“在...的后面”.in the front of 表示“在某一物体某地的前面”,in the middle of 表示“在...的中间”.