---I didn't go to work yesterday because my car broke down. ---You ____ mine. I wasn't using it then.
Hearing the news, she ______.
I keep medicine on the top shelf, out of the children’s ______.
The work calls for great care and patience, so you ______ to do it.
______ he is doing an operation on a patient; please don’t disturb him.
There has to ______ a well-developed system that can give people a warning when a tsunami is ______ the way.