How often do you eat out? ,but usually once a week.
—— This is one of the oldest trees in the world._____ such a big tree.
Not until he arrived home _____ he find that this wallet had been stolen.
—— Do you know Jim quarreled with his brother?I don't know, and ______ .
Not once _____ their plan.
His uncle is a worker and has been working in the factory for more than ten years. _____.