I think it is his pen同义句I( )( )it ( )his pen.改否定句!

问题描述:

I think it is his pen同义句
I( )( )it ( )his pen.
改否定句!

i (don't) (think) it (isn't) his pen .双重否定等于肯定.意思是:我不认为那不是他的笔.