I: What's your work unit?

I：你的工作单位是什么？

What's your responsibility at your present work unit?

现在这个单位你负责什么工作？

What?s your responsibility at your present work unit?

现在这个单位你负责什么工作?。

What t's your responsibility at your present work unit?

现在这个单位你负责什么工作？ ？

What are you responsibilities at your present work unit?

你在目前单位的工作职责是什么？ ？