第1个回答 2012-10-13
满意答案回答四个错了三个。
on this occasion 在这种场合下
on one occasion有一次
On one occasion, I saved a girl from frowning in a river.一个偶然的机会,我救了一个落水的姑娘。
on another occasion 还有一次
On another occasion, he landed in a deserted car park.还有一次,他在一个废弃的停车场着陆。
on the first occasion 一有机会,就
I'll forward your letter to him on the first occasion.我一有机会便将尊函转交给她。