从所给的四个选项中选择最佳答案 your courage and you are sure to pass the exam． [ ] A．Keep out B
来源：网络
时间：
推荐文章
![从所给的四个选项中选择最佳答案 your courage and you are sure to pass the exam． [ ] A．Keep out B](/pic/43_748146.jpg)
从所给的四个选项中选择最佳答案
______ your courage and you are sure to pass the exam．
[]
A．Keep out B．Keep on C．Keep back D．Keep up
试题答案
答案：D