sheepishly

He just stood there, tonguetied and grinning sheepishly.

He sheepishly admitted his mistake.

Sheepishly, he apologized for being late.

Sheepishly, she returned the borrowed book.

He sheepishly asked for a second chance.

Sheepishly, he confessed to eating the last cookie.

Sheepishly, she explained her absence from the meeting.

He smiled sheepishly when caught red-handed.

Sheepishly, he asked for help with his homework.

Sheepishly, she admitted to breaking the vase.

He sheepishly returned the lost wallet to its owner.