Question

Complete the exercises with must/mustn’t or should/shouldn’t. a) You ____________swim in the river. It’s full of crocodiles. b) You_____________feed zoo animals.c) I _______________take some exercises, if I want to feel fine.d) You ___________ smoke in public places. e) You ____________listen your mum’s piece of advice. *

Answer 1

a) shouldn't

b) mustn't

c) must

d) mustn't

e) should

espero ter ajudado ;)