The first was to press the correct key on a computer keyboard after hearing one of eight sounds.

Once again, the person would be asked to sort each word as being either pleasant or unpleasant by pressing the appropriate key.

Opening it, he pressed the key against a saturated sponge.

He was able to use one hand to steady the other and thus press the desired key.

Startled, he looked up, then pressed the key that cleared his screen.

They gripped for a moment, then pressed the key.

The man at the keyboard pressed the same key that had begun the interview.

If you pressed the wrong key, you can still tell us and that will appear in the minutes.

Save your settings by pressing the appropriate key, as prompted.

Taking a deep breath to steady himself, he pressed the key on his own microphone.