The fact that he uttered the appropriate sounds, and made the expected responses, really proved nothing at all.
I made the appropriate sounds of delight and amazement.
As you accelerate, slow down, shift, cruise and idle, appropriate sounds emerge from your sound system.
In order to establish an appropriate, old-timey sound, 'crackles' were added to the third line, "Now she's hit the big time!"
Jay made the appropriate clucking sounds of understanding and reached for her hand.
If she didn't enjoy the experience, at least she made the appropriate sounds.
By projecting three-dimensional scenes and appropriate sounds from a data bank-or, better yet.
If you were younger, I would add many, many details, with appropriate sounds.
"You could always make the appropriate sounds," Laura said, fighting to keep a straight face.
A 40-foot tree is replicated in full, from roots, through which children can climb, to the canopy, with the appropriate sounds, animals and insects.