—Do you know Robert? —Yes, He is__ university student. He likes sports and runs for ___ hour every morning. A a; a B a; an C an; an D an; a
My sister’s birthday is______ May 2nd.
---______these things?---They’re 15 yuan.
---Are you his uncle?---
I have two______.
Mrs Green has ____daughters,and mary is her _____daughter.