?
fidget
?
scowl / frown
?
bow your head
?
grimace
?
grin
?
bite your fingernails
?
cover your mouth
?
cross your fingers
?
fold your arms
?
give a thumbs up
?
nod your head
?
point
?
raise your eyebrows
?
shake your head
?
shrug your shoulders
?
wave
