Объяснение:
1 номер
1.mustn't
2mustn't
3must
4mustn't
5must
2 номер
2. You mustn't go fishing
3.You mustn't use mobile
4.You mustn't light fires
5.You must swim
6.You mustn't walk on the grass
3номер
1.She mustn't sunbathe
2.he must do his homework
3.They mustn't arrive late
4.We must visit the Taj Mahal
5.You mustn't take photographs
4 номер
1 something
2.everyone
3somewhere
4.nothing
5 everywhere
5номер
1 anyone
2 everyone
3 nothing
4 anyone
5 no one
6 something
7 nowhere