Is you sister thirteen years old?

My sister is thirteen years old.(提问thirteen years old) His sister is sixteen years old.I am thirteen years old.I'm She is thirteen years old.对thirteen years 提问 my young sister is thirteen years old.But she is still at___ I am thirteen years old.And my sister is eleven.I am thirtee my brother is thirteen years old Ben is thirteen years old.Tom is thirteen years old,too.(同义句 jim is thirteen years old .(对thirteen years old提问）（ ）（ ）is j 英语： Ben is thirteen years old. Tom is thirteen years old,too Tina is thirteen years old.Tara is thirteen years old,too. Tina is thirteen years old,Tara is thirteen years old,too Ti Her brother is thirteen years old.对 thirteen years old 提问