我们发现一只死鸟在后院。

We found a ___dead bird in the backyard.

遥控器的电池没电了，电视打不开。

The remote control's battery is ___dead, so the TV won't turn on.

会议结束后，办公室里一片死寂。

The office was in ___dead silence after the meeting ended.

会议气氛死气沉沉，直到有人提出了新想法。

The meeting was ___dead until someone came up with a new idea.