1) She _____________ to show her ID in order to take the plane a) have to b) has c) must 2) You ___________ finish your homework if you want to go to the park later. a) needs to b) ough c) 'd better 3) They __________ finish on time a) has to b) should c) must to 4) I _________ to do a project for my biology class a) need b) should c) has to 5) I think we __________ to pack only a few things for our camping trip a) should b) ought c) must

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