题文
In face of failure, it is important to __________ a good state of mind.
| A．keep up |
| B．keep on |
| C．keep out |
| D．keep off |
推荐试卷
In face of failure, it is important to __________ a good state of mind.
| A．keep up |
| B．keep on |
| C．keep out |
| D．keep off |
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