根据所给汉语句子完成英语句子。

1. 鲍勃将跳远的世界纪录保持了多久？

    How-Long did Bob ________ the world ________ in the long jump?

2. 听到那悲伤的消息，他忍不住哭了。

    He couldn't ________ when he heard the sad news.

3. 当我到达火车站时火车已经开走了。

    The train ________ when I got to the train station.

4. 如果每个人都能为保护环境作出自己的贡献，这个世界将变得更加美好。

    The world will become much more beautiful if everyone ________

    a contribution to ________ the environment.

5. 杰克逊喜欢与别人交朋友。

    Jackson likes ________ with others.