I.
/ə/ : occasion , answer , mother ; around , neighborhood , upon , parent , singer , nature ,collect , monopoly , carrot , doctor
/ɜ/ :world, , girl ,birth ,work , early, heard, learn , expert, surburn , shirt , hurt , word ,dirty
II.
1.C
2.C
3.A
4.D
5 .B
B .
I.
1.bird-watching
2 .carving wood
3.arranging flowers
4.mountain climbing
5.making pottery
6.playing board games
7 . making models
8 . horse-riding