我正在跟一位合格的驾驶教练上课。

I'm taking lessons from a qualified driving ___instructor.

当地体育俱乐部里有一位专业教练在工作。

There is a professional ___instructor working at the local sports club.

瑜伽教练向我们展示了一些放松的体式。

The yoga ___instructor showed us some relaxing poses.