他们用新电脑替换了办公室里的旧设备。

They ___replaced the old equipment in the office with new computers.

老教练退休后，他被一位年轻教练取代了。

After the old coach retired, he was ___replaced by a younger one.

用完工具后，请记得把它放回工具箱。

Please remember to ___replace the tool in the toolbox after using it.