Is this your computer?改肯定陈述句.

Is this your computer?改肯定陈述句. is this your computer 改肯定句 ls this your computer?改为肯定陈述句 Is this your computer?变陈述句 This is your computer.This computer Is that your computer?(改为肯定句) Is this your pencil?改为陈述句+复数 Is this your watch?(改为陈述句） is this your watch改为陈述句 把Is this your watch 改为陈述句 Is this your coat?（改为陈述句） is this your coat?改为陈述句