—Hi, Jack, there is ________ useful book on the desk. Whose book is it?— It belongs to my brother.A. a B. an C. the
—Can I help you? —Yes. Two ______, please.
There is ______ eraser on the desk..
The boy ____ his homework after school every day.
We’re looking forward to _____ your school.
The children ____ to go sightseeing tomorrow.