— What do you think of physics?
— I think it’s ______ of all subjects.
| A．difficult | B．more difficult | C．most difficult | D．the most difficult |
I havefruit and vegetables for breakfast.
| A．a lot | B．lot of |
| C．a lots of | D．lots of |
We want three good musicians ______ our school show.
| A．for | B．join | C．to | D．/ |
She _______ a bicycle to the market every day.
| A．takes | B．rides | C．by | D．on |
— _______ does your father go to work every day?
— He takes the subway.
| A．When | B．Where | C．How | D．Why |
Dick often helps him ______ his math.
| A．at | B．with | C．of | D．/ |