我那双可怜的旧靴子快要散架了。

My poor old boots are ___falling ___apart.

这把旧椅子看起来随时会散架。

This old chair looks like it's going to ___fall ___apart.

这座旧桥的某些地方开始碎裂了。

The old bridge is starting to ___fall ___apart in places.