Question

choose "a"/"an"  ...frog ... aunt  ...pupil   ...orange   ...economist
выбрать "a"/"an" ...лягушка ... тетя ...ученик ...оранжевый ...экономист

Answer 1

a frog, an aunt, a pupil, an orange, an economist.

Answer 2

a frog
an aunt
a pupil
an orange 
an economist