—Who______ it be that is knocking at the door?—It ______ be Father, but I’m not sure.
What do you imagine _____ him from going?
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.