问题
选择题
Mistakes don't just happen；they occur for a reason.Find out the reason，and then making the mistake
becomes________.[ ]
A．favourable
B．precious
C．essential
D．worthwhile
答案
答案：D
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Mistakes don't just happen；they occur for a reason.Find out the reason，and then making the mistake
becomes________.[ ]
A．favourable
B．precious
C．essential
D．worthwhile
答案：D