The country music is worth ___.
My chest ____when I make a deep breath, doctor.
---I think maths is playing a more important part in the new test system. What about you? --- ______. We should be more devoted to it.
He minds so much about his position in the office that he ____ any chance to be promoted(提职).
To our delight, we got _______ workers to do the work as we expected.
We can’t have lunch at the restaurant, because _________.