his是什么意思have是什么意思

Call me if you have any problems regarding your work.

你如果还有什么工作方面的问题就给我打电话。

No new SARS cases have been reported in the region.

该区没有新增非典型肺炎病例。

You will always have the bad as well as the good in the world.

人生在世总是有苦有甜。

He has carried out extensive research into renewable energy sources.

他已经对再生能源进行了广泛研究。

The first part of the plan has been safely accomplished.

计划的第一部分已顺利完成。