1 . In addition, take an active part in the voluntary activities ________ (发起) by the ocean organizations. (根据汉语提示单词拼写)

2 . They use the same flag, ________ (know) as the Union Jack, as well as share the same currency and military defence. (所给词的适当形式填空)

4 . 得知你在上周举行的英语演讲比赛中获得了一等奖，我写信表示衷心的祝贺。
Learning that ________________, I am writing to express my sincere congratulations.

5 . The club’s annual conference ________(上周举办的) turned out to be successful. (根据汉语提示完成句子)

6 . The database ________(use) as a teaching resource in colleges must be reliable. (所给词的适当形式填空)

7 . There is evidence that they are breathing ________ (pollute) air. (所给词的适当形式填空)

8 . So through microblogging, I often have a chance to read poems ________ (inspire) by a real event. (所给词的适当形式填空)

9 . The guidelines ________(draw) up by the government proved meaningful. (所给词的适当形式填空)

10 . The players ________ (select) from the whole country are faced with great challenges, but they are training hard ________ (admit) as athletes in the Olympic. (所给词的适当形式填空)