1.these are our books.
2.those are their families.
3.they are french.
4.we are students.
5.they are hairdressers.
6.are these lily's pens
7.are those your friends cars.
8.they are their dresses
9.what are your jobs
10.our shirts are blue
11.whose shirt are those
12.they are same color
遵循规律 this变成these that 变成those her his 变成their he she 变成they is 变成are does 变成 do 其他一般名次直接加s就好