The mouth of a cave yawned before us, black dark and deep.

Her mouth yawns open, the light shining through her teeth.

The mouth of an automatic yawned straight for Bryland's eyes.

Beyond the boulder the mouth of yet another cave yawned.

A mouth yawned in the rock face in front of them.

The dark mouth of the opening yawned in the middle of the field near the castle.

As George's mouth yawned, he could see things squirming around inside there.

The mouth of the tube suddenly yawned before them.

The black mouth of a well yawned beneath it.

The black mouth of the telephone yawned at Bond politely.