my brother isn't ___the house.He is ____ at schoolA.in at B.at in

问题描述:

my brother isn't ___the house.He is ____ at school
A.in at
B.at in

A
in the house ( 在房里)
be at school 在上学

my brother isn't _at_the house. He is __in__ at school

A

my brother isn't in the house. He is at school