—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
Have you returned the book to the library ____? --- Yes, I have ____ returned it.
When the teacher came in , the students about the new film .
The planehere for ten minutes already.
They borrowed a car _____ their neighbour.
Mr Li ____ England. He ____ London for two weeks.