promise的用法和例句

promise的用法例句：

1. The boy first showed promise as an athlete in grade school.

这个男孩在上小学的.时候就初次显示出成为运动员的潜力。

2. I'm hoping you'll keep your promise to come for a long visit.

我希望你遵守诺言来这儿多呆几天。

3. President Kaunda fulfilled his promise of announcing a date for the referendum.

卡翁达总统兑现了他的承诺，宣布了全民公决的日期。

4. This approach, more than any other, holds promise for true reform.

这一方法比其他任何方法都更让人看到真正改革的希望。