should              must         mustn’t        don’t have to           could            might     1)    Take an umbrella with you. It _____________ rain. 2)    ____________ you open the door, please? 3)    We have a lot of time. We ___________ go home now. 4)    I think you __________ go swimming to exercise your leg. 5)    Children __________ eat junk food. 6)    It’s a fantastic film. You __________ see it. 7)    We ___________ make a campfire near the trees. ​