must/exercise

1*

1.-f
2.-b
3.-e
4.-a
5.-d
6.-c

2*

1.-can't go
2.-mustn't eat
3.-can use
4.-must turn off
5.-can play
6.-can't take
7.-must tell

3*

1.-you can skateboad in the parks       G
2.-you can use a mobile phone on the buses     S
3.-you can take photos in the museum     G
4.-you can draw graffiti on the walls      S
5.-you mustn't drive a car when you are 15     G
6.-you mustn't drop litter in the stret      G
7.-you must recyvle paper and plastic      G
8.-you can smoke in restaurants        S

4*

SCHOOL

1.-we must respect
2.-must work
3.-can socialize

HOME

1.-we must help
2.-must share