1 . She began a c________(运动) for a cleaner environment by writing a letter to the mayor. (根据中英文提示填空)

2 . Since then, they have launched a great ___________(运动) to make the beaches safer for swimmers and tourists.

3 . The young man was asked to help plan Labour’s election ______ (活动). (根据汉语提示单词拼写)