my sister isn't working. she is ( ) vacation

My aunt has a sister.She isn't my aunt.Who is she?A.my mothe Gina isn' t my sister. She's My sister is good at ___(sing),but she isn't good at ___(dan Is she your sister?Yes,she isn't.And is heyourbrother?No,he she is my sister. —Your sister isn't a nurse,is she?—_A____.She teaches Englis My sister is very hard-working.She is not only good at her s MY sister is tall.She is hard-worKing.的问句是 Amy is hard-working.Some people think,____ she isn't helpful Beth isn't my sister.------mycousin My sister isn`t good at maths 比较下面两个句子Your mother isn't my grandmother,is she?与Isn’t your