--Let’s clean the classroom. -- A. Certainly. Here you are.B. Thank you so much.
________ ball is that? It’s my ball. A.Who B.Who’s C.Whose
My eyes ________black. My hair _________black, too. A.are…are B.is…is C.are…is
Whose dog is this? It’s _________ dog. A.Peter B.Peter’s C.Peters’
We _________ a new classmate. A.are B.have C.has
What does ________ sister do? A./ B.her C.you