Is that your ruler?Yer,( )is.( )are my parents.( )is a pictu

Is that your ruler?Yer,( )is.( )are my parents.( )is a pictu that is my ruler ______?That's my ruler.A.Whose ruler is it?B.What ruler is i is that your parents 还是are those your parents? That is a ruler 回答 That‘s a ruler.(改为一般疑问句) Is this your book?(作回答) It is my ID is that your ruler 做肯定回答 Is that your ruler?做否定回答. MY,RULER,IS,THAT连词成句. where is your ruler? is this your ruler What () is your ruler