天气很热,我们可以去游泳,请你读一读下面游泳池的规则,然后用“must”或“mustn't” 填空.
1.You__________go swimming with your parent.
2.You__________wear shoes to go into the swimming pool.
3.You__________swim when you are sick.
4.You__________do warm up exercises before you go into swimming pool.
5.You__________swim in a swimming suit.
6.You__________take a bath before you go into swimming pool.
7.You__________put rubbinsh in the pool.
8.You__________cry for help and raise your hand when you are in difficulty.The life guide will come.
9.You__________put cameras,MP3 or mobile phones near the pool.
10.You_________go swimming when there is a thunderstorm.