her erasers are in the bag一般疑问句和否定句.they're my aunts单数.she is my sister一般疑问句.

问题描述:

her erasers are in the bag一般疑问句和否定句.they're my aunts单数.she is my sister一般疑问句.

Her erasers aren't in the bag.
Are her erasers in the bag ?
She's my aunt.
Is she your sister ?