—Hi, Mr. Smith. Which department do you work in?—I am in the Marketing Department now, but I ________ in the Sales Department before long.

(2014·安徽六校教育研究会高三联考)If we just bring over products developed for the US market，we will soon be________to just competing on price.

(2014·宁波一模) The headmaster has retired but no one knows who will________him in the post.

—Will $500________？—I'm afraid not.We need at least 300 dollars. 

Since you are always working hard at your lessons, your efforts will ________.