"What do you think of the book?" "Oh. excellent, it's worth _______ a second time."
_____ so delicious, the food in the market was sold out soon.
____, or we will be late for the meeting!
He pretended to be a doctor,but ____ he is a cheat.
_____his timely help , Kate overcame the hardship at last.
He will stop showing off, if no notice ______ of him.