●①～④の職業が役に立っている状況を表す英語をから選び、記号を（ ）に書きこもう。
① software programmer
② personal trainer
③ caregiver
④ language teacher
② personal trainer
③ caregiver
④ language teacher
A people work out
B older people require day-to-day help
C students want to work abroad in the future
D people use Internet technologies