This is a computer
This is a computer
This is a ( ) of a computer
This is a computer对computer怎么提问
Is this a English computer?(改错)
This is a computer.(改为一般疑问句)
This is a new computer什么意思
This is your computer.This computer
This computer is
there is a computer on my desk 和this is a computer on my nde
This is a TV(用 a computer)改为选择疑问句
this is a computer 对划线部分提问 a computer 划线
This is a computer.(改为否定句) —— —— —— a computer.