1 You must be quiet. Port
2 You mustn't dive.
3 You must keep off the grass.
4 You mustn't park your car here.
5 You mustn't feed the animals.
6 You must stand behind the yellow line.
A in the street
B at the library
C at the park
D at the pool
E at the train station
F at the zoo
1 They were
1.You must be quiet at the library
2.You mustn't dive at the pool
3.You must keep off the grass at the park
4.You mustn't park your car here at the train station
5.You mustn't feed the animals at the zoo
6.You must stand behind the yellow line in the street