I was really anxious about you. You _home without a word.
He is the first person you can think of to rely on, for he is always willing to ________ whoever is in trouble.
—Why do you look so worried?
It won’t be quite a long time ________ your son is back, so don’t be worried.
—What's the matter with the man hanging his head there?—Well,if you ________ know, he was caught stealing my bike.
GM, Chrysler and Ford expressed their desire that they ________ in want of a $25 billion government aid to pull through the financial crisis.