The moment they saw the smoke, the people stood up.

If she started a fire, people might see the smoke.

If you see smoke coming from the board, turn off the power.

Then I saw the smoke and realized what had happened.

Now he could see, far away, the smoke of a fire.

Within half an hour they saw smoke in the distance.

Two of them had seen the smoke and decided to explore.

You can almost see the smoke coming off the keys.

From the far end of it the children could see smoke rising.

His whole body snapped to attention when he saw the smoke.