Cover her face with a handkerchief.
This should cover everyone in the group.
Word: "cover"
different meanings

The therapist noticed that the patient's knees tended to lock in this exercise.
The parents locked her daughter up for the weekend.
Word: "lock"
different meanings

I can't use this tool.
Use the plastic bags to store the food.
Word: "use"
the same meaning

A shared line.
I tried to make a call, but the line was dead.
Word: "line"
the same meaning