Only by ______ your attention _____ what you are learning can you learn it well.
| A．focus; on | B．focusing; on |
| C．paying; on | D．pay; on |
She is quite a different girl _____ she was five years ago.
| A．from | B．to | C．than | D．with |
Our football team will never take the defeat ____ down.
A. sitting B lying C. going D. climbing
Why don't you do it ______ other way?
| A．by | B．with | C．some | D．any |
We must show concern ______ each other.
| A．with | B．for | C．at | D．to |
I ______ too much reading.
| A．am tiring | B．tired out because of | C．am tired out in | D．tired myself out with |