A.their purchase in a supermarket
B.their part-time jobs
C.the yard work
D.drawbacks of having a part-time job
A.Trimming fresh fruit.
B.Wrapping fresh vegetables.
C.Stocking shelves.
D.Sweeping the rio'ors.
A.It is always nice to work outdoors.
B.It is easy to make a balance between part-time job and study.
C.Holding a part-time job has more merits than drawbacks.
D.Holding a part-time job is helpful for them to pay tuition.
A.By making laws.
B.By enforcing discipline.
C.By educating the public.
D.By holding ceremonies.