1.用 This is 句形造句,要最基础,例：This is a pen.10句
问题描述：
1.用 This is 句形造句,要最基础,例：This is a pen.10句
2.用 There are 句形造句,也要最基础最简单的 10句
答
This is a pen/ruler/book/notebook/Chinese book/knife小刀/pencil/sharpener卷笔刀/key/...This is my mother/father/sister/brother/teacher...There are some books/boys/girls/teachers/pencils/pens/rulers/er...