Her sons is Dave and John Is that your sisters?Yes ,it is .My aunt and my mother are brothers.我要的是改正确的。
问题描述：
Her sons is Dave and John Is that your sisters?Yes ,it is .My aunt and my mother are brothers.
我要的是改正确的。
答
Her sons are David and John.
Is that your sister？Yes , she is.
My aunt and my mother are sisters.
答
Her sons are Dave and John.
Is that your sister? Yes, she is.
My aunt and my mother are sisters.
答
is改成are
sisters改成sister
brothers改成 sisters