1.A.bird. B.girl. C.first. D.sister 2.A.nurse B.picture C.surf. D.return 3.A.knife B.of. C.leaf. D.life 4.A.although B.enough. C.paragraph. D.cough 5.A.burn. B.sun. C.paragraph D.turn 6.A.colour. B.face. C.city D.recycle 7.A.calorries. B.natural. C.nature D.Carrot 8.A.Danced B.helped C.watched D.enjoyed 9.A.evironmental B.benefit C.service D.sick 10.A.fresh. B.diet. C.get. D.correct