Choose the most appropriate pair.
Translucent - Smoke
The objects that allow all the light that falls on them to pass through them are called transparent objects; those objects that partially allow light to pass through them are called translucent objects while the ones that do not allow light to pass through them at all are called opaque. So the most appropriate pair is "Translucent - Smoke". Since smoke allows light to pass through them partially. They can be classified as translucent.