1.Find which word does not belong to each group
1:A.and B.but C.so D.athough
2: A.heathy B.fit C.well.D.sick
3:A.green B.trees C.collect D.plant
4:A.blood B.Homework C.students D.tutors
5:A elderly B.grandparents C.nursing D.orphan
6.A.rock B.pop C.ballet D.rap
7:A.actor B.singer C.film director D.film producer