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

Surely many questions will ____ about Haiti’s future after the big earthquake, which has been the strongest in Haiti in the past 200 years.

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

—Alas! I have left my key to the office in my car.—Don't worry. I ________ it for you. Wait a minute.

Robert has rich work experience, so it will           for his lack of academic knowledge.