我们在这个问题上意见一致。

They agreed on leaving there the next day.

他们一致同意第二天离开那里。

1.A fifth person died in Yemen's second city Taiz when a hand grenade was thrown into a crowd from a car.

A fifth

在英语中，使用序数词时前面要加定冠词 the，但是，在下面的情况下则不加the：

1)当序数词前有形容词性物主代词或名词所有格修饰时，序数词前不用the。

Mother was my first teacher in my life.妈妈是我生命中的第一个老师。

Tom is Lily's third boyfriend. 汤姆是莉莉的第三个男朋友。

2)当表达分数时，序数词前不用the。

One fifth of the students here are from the country. 这儿1/5的学生来自农村。

Three fourths of the students here are from the country. 这儿的3/4的学生来自农村。

3)当表达“又一，再一”时 ，序数词前不用 the，但可加不定冠词。

Please give me a second chance. 请再给我一次机会。

The poor woman had a third baby. 那个可怜的妇女又生了一个宝宝。

4)当表达“年月日”时，尤其在朗读时，序数词前要加the；但当书写时，序数词前不用the。

He was born on June 6th, 1974. 他出生在1974年6月6日。