1. 选词填空

partner; geometry; in short; at the heart of; brush up; be based on; end up; automatic; work out; reflect on

1. （1） He on some language points before the exam.
3. （2） At first he refused to admit his fault but apologising.
5. （3） I feel that is a difficult subject.
7. （4） Our customers are everything we do.
9. （5） Breathing is an function of the body.
11. （6） Spain has been one of Cuba's major trading .
13. （7） I've your share of the expense at $10.
15. （8） Science fiction is a type of writing that fantasy.
17. （9） As people get older, they will the past.
19. （10） He hoped for greater trust between the two nations, more trade, more cultural exchanges—, a lasting peace.