1 . Owing to our joint efforts, the task         ahead of schedule, and then we summed up our working experience. (fulfil)
由于我们的共同努力，任务提前完成了； 随后我们总结了工作经验。

2 . Peter’s work always gives satisfaction,            twice in less than two years. (promote)
彼得的工作总是令人满意，为此，在不到两年时间里他被提升两次。

3 . Failure is the mother of success. In no case              ; keep on trying. (lose)
失败乃成功之母。在任何情况下，我们都不应灰心，继续努力。

4 . It is reported that the United States               energy as the whole Europe. (use)
据报道，美国使用的能源是整个欧洲的两倍。

5 . As I find some English pronunciations rather confusing, I           if you could give me some advice. (appreciate)
我发现有些英语发音容易弄错，如果你能给我一些建议我将感激不尽。

6 . You             the flowers, for the weather report says it is going to rain soon. (water)
你本没必要浇这些花的，因为天气预报说很快要下雨了。

7 . In our life, we will encounter various challenges.             is the best way to deal with them. (improve)
我们在生活中遇到各种各样的挑战。提升自我是最好的应对办法。

8 . The true value of life is not               but what you have done. (gain)
生命的真正价值不在于你得到什么，而在于你做过什么。

9 . Suddenly              the dilemma, he was at a loss at first. But later he was determined to hold on. (face)
突然面临着进退两难的困境，他起初不知所措。便随后他决定顽强地坚持下去。

10 .           or how old you get, there’s always something new to learn about. After all, life is full of surprises. (go)
不管你去哪里，不管你有多大，总有新东西要学习。毕竟，生活总是充满惊喜。