初一英语问题！！！！嗷嗷急！！30分悬赏！

1
It is his family photo.(改写句子,句意不变)
It is a____ ____ ____.
2
John and his brother are here.(改为否定句)
John and his brother ________ ______ here.
3
Are those erasers?(改为单数形式)
____that____ ____?
4
The boy is my brother.(改为一般疑问句并做否定回答)
5
They are girls.(改为单数形式)
6
This is his uncle
_____is______?
7
Those keys ary yellow.(就划线部分疑问,(yellow划线).)
What____are______keys?
用所给词的适当形式填空.
_____are cou sins.Mr Green is _______ grandfather.(their)

根据汉语完成英语句子.
这儿有四套书.
Here ________four sets of _______.
他是你的笔友吗?
_____he your _______ _______?
看我弟弟的照片.
Look________ the ______of my brother.

这个女孩是你表妹吗?
_____this __________your _______ __________?
去失物招领处的那些钥匙是你的吗?

______those your _______ ______ the lost and ______ case?
非常感谢!!!!!!!!!!!!!!!!!!!!!!!!!!!!

1
It is his family photo.(改写句子,句意不变)
It is a photo of his family.
2
John and his brother are here.(改为否定句)
John and his brother are not here.
3
Are those erasers?(改为单数形式)
Is that an eraser?
4
The boy is my brother.(改为一般疑问句并做否定回答)
Is the boy your brother?No,he isn't.
5
They are girls.(改为单数形式)
She is a girl.
6
This is his uncle
Who is he?
7
Those keys ary yellow.(就划线部分疑问,(yellow划线).)
What colour are those keys?
用所给词的适当形式填空.
They are cou sins.Mr Green is their grandfather.(their)

根据汉语完成英语句子.
这儿有四套书.
Here are four sets of books.
他是你的笔友吗?
Is he your pen friend?
看我弟弟的照片.
Look the the photo of my brother.

这个女孩是你表妹吗?
Is this girl your cousin sister?
去失物招领处的那些钥匙是你的吗?

Are those your keys in the lost and found case?

1 photo of his family
2 are not
3 is an eraser