这个新软件将取代过时的版本。

This new software will ___replace the outdated version.

太阳能正逐渐取代化石燃料成为主要能源。

Solar energy is gradually ___replacing fossil fuels as the primary power source.

主唱在那场大型演唱会前被意外替换了。

The lead singer was unexpectedly ___replaced before the big concert.