It’s said that a(n) _________of $1,000 will be offered to anyone who helps to find the escaped prisoner.

As second-hand smoking is more harmful and dangerous, people want a total _____against smoking in public．

Being able to speak another language fluently is a great ______ when you're looking for a job.

---Oh, you’ve got this English-Chinese dictionary. How do you find it? ----It is ______. I turn to it whenever I meet with new words.

He received ten days’ __________ to leave the office because he was often late for work.