this is my sister
问题描述：
this is my sister
用所给的适当形式填空
1.Are_______(this)your brothers?
yes,they are.
2.these_____(photo)aer very nice.
3.those_____(girl)are her sister mary and her cousin jane.
4.my grandparents are inthe_____(one0photo
5here____（be）my pens.
本人基础不好.题都看不懂.解释不了的话就光说答案也可以.
答
1.these 这些,因为brothers是复数,this 也要改成复数
2 photos 同上题一样,应该把photo改成复数
3 girls 同上题,those那些,girl要改成复数
4 first one 基数词改成first序数词（第一）
5 are my pens 用了复数,be动词也要用复数