他专注地进行着实验。

He is ___conducting an experiment carefully.

那位年轻的指挥家正在音乐厅指挥交响乐团。

The young conductor is ___conducting the symphony at the concert hall.

他在面试中表现得非常得体。

He is ___conducting himself very appropriately during the interview.

金属是良好的导热材料。

Metals are good at ___conducting heat.