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4. You should watch this film You should not carry so many bags. Let me help you You should take some aspirin You should walk the dog 3.People shouldn't drop litter We should recycle or rubbish Everybody should eat vegetables and fruits Children shouldn't watch TV all day long The rich should help poor We should protect the environment Your should learn foreign languages 2.I think i should do my homework I think i should be nice to my brother/sister I think i should learn foreign languages I think i should protect the environment I think i should get a good education I think i should be polite to everybody