--Have you seen ____Audi car I parked here?
---Is it _____ black one? A young man has driven it away.
| A．an, a | B．the, the | C．the, a | D．an, the |
—What does your father do? —_____________.
A. He is working hard
B. He is at work now
C. He is a teacher
My father goes to work ______ every day.
A. by a bike
B. in a bike
C. on a bike
She ____ back home once a year with her parents.
A. is going B. go C. goes
Look, there is a boy over there _____ the tree.
A. on B. in C. at
I usually walk to school, but I ______ come by bus.
A. some times B. often C. sometimes