this is a picture of ____ Smith family a Smith family the Smiths' Smiths family选哪个呢?这几个有什么区别呢?A选项是加上所有格就对了么?

Is this a picture of a house? this is a picture of a classroom this is a picture of my This is a picture of ourschool this is a picture of my house This is a picture of my room 为什么填of Look,this is a picture of a ( ).怎么填? Is this a picture of a drawing?的答语是什么? this is a picture of my room.(对a picture of my room提问) is,son,a,my,of,picture,this.连词成句 请翻译this is a picture of my room. this is a picture of his brother and___（he） This is a picture of my room.对picture of my room提问 this is a picture of a school为什么不是 a school’s picture 想不通啊, Is this （ A：a hill's picture B:a picture's hill C:a picture of a hill D:the picture of hill There is a picture on the wall of my bedroom.____is a picture of my family.A.this B.it this is a picture of my room.(对a picture of my room部分提问）大神们帮帮忙 Look!This is a picture of a ____.There is a ____ in the park.还有