(1) Nobody knows who ________（选举）as president or vice president of the country this year.
(2)You o________ the lady an apology. I will not allow you to leave unless you apologize for what you have done.
(3)It ________（烦恼）Henry that he couldn’t fall asleep before the examination.
(4)To her parents’ delight, she finally s________ the opportunity and made a real invention.
(5)All these depend on the ________（假设）that everything goes well.