4. b) Look at the museum notice and complete the rules with must or mustn't.

DURING YOUR VISIT TO THE MUSEUM ...

You 1) mustn't touch the statues.(X)

You 2) must pay at the door.(√)

Children 3) must be with an adult.(✔)

You 4) mustn't eat or drink.(X)

You 5) must leave by 5 o'clock.(✔)