（ ）is your sister today?she's getting better.thank you.

Which is younger,you （ ） your sister? She is your sister Is that ( ) your sister （）your sister go to shool bybus? Your sister is too young to look after h------ He said to Kate.How is your sister now? he wants to know which dog is your sister's 同意句He____which dog____your sister's sister,Lily IS she your sister,Lucy? what are your sister going to be in the future?she is going to be a policewoman(改错） Is this your sister?与Is she your sister?区别 w_____ girl is your sister? w()girl is your sister Is that your sister?,回答 How tall is your sister? Is this your sister是什么意思 Who one is your sister? Is your sister good ( ) not ? your sister is coming是什么意思