After the bell rings, which indicates the ending of the exam, you_____ stay ____ you are until all your papers are collected.
My friend Mary is _____ beautiful girl and _____ girl everyone likes to work with.
She may have missed the train, in _____ case she won't arrive for another hour.
Many countries, for example, Mexico and Japan, _____a lot of earthquakes.
Mother told Jim to watch the milk until it boiled and then _____ off the gas.
Your mother, however, ____ say that to us that day.