What’s ____ with you?
He is my _____. A. brother B. sister C. mother
---Is she your sister? ---_____. A. Yes, she isn’t. B. No, she is. C. Yes, she is.
---Who is that girl? ---_____ is my sister. A. She B. He C. She’s
This is _____ new pen. A. an B. / C. a
Who is _____ boy? A. it B. that C. an