I have yet to see a single person wearing a mask on the street.
Each of them now seems to be wearing a mask.
In the morning they wear a mask of a particular design.
If you must work early in the day, wear a mask.
Like everyone else he'd seen so far, they were wearing masks.
If you come on anyone wearing a mask in this section, pay no attention.
But he's never gone to the trouble of wearing a mask.
But if he were wearing a mask, she could not see through it.
He looked like a different person, wearing a mask that used to be him.
Is that why you have to wear a mask over your head?