this is a computer 对划线部分提问 a computer 划线
This is a computer.对划线部分提问(划线部分computer)
this is a computer 对划线部分提问 a computer 划线
Liz wrote a letter by computer.对划线部分提问,划线部分:by computer
a computer game is in the school library.(对划线部分提问)(划线是in the
They have a computer划线部分提问
My parents have a computer.(对划线部分提问)
It;s a computer对划线部分提问
There is a computer and some books on the desk.(对划线部分提问)
划线提问:There is a computer in the classroom.划线部分:a
It is Helen's computer game(Helen's computer game划线)对划线部分提问
David is in the computer room.对划线部分提问
this is a school对a school划线部分提问