1) You______feed animals at the zoo. a) must b) mustn't 2) You ______take pictures in the art gallery. a) must b) mustn't 3) You ______wear a helmet and knee pads when you go rollerblading. a) mustn't b) must 4) Sorry, but I haven't got any free tickets. We _______buy them. a) must b) mustn't 5) You______tidy your room!It's a mess! a) mustn't b) must 6) Excuse me, you_____eat or drink in the museum! a) mustn't b) must 7) You ______turn off your mobile phones before the film begins. a) mustn't b) must 8) You ______climb the fences ! Wild animals are dangerous! a) must b) mustn't 9) You ______run near the swimming pool, it's slippery! a) mustn't b) must 10) You ______touch the artworks in the museum! a) must b) mustn't

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