The exercise in the book requires two people for role playing.
The exercise in the book needs someone to be one character and someone else to be another person.
To do the exercise, it details a conversation between two people. I need someone to help me.
このExerciseは生徒と先生交互に行うものでは？
Does this Exercise work alternately between
students and teachers?
この本の演習では、ロールプレイングに2人が必要です。
The exercise in the book requires two people for role playing.
本の演習では、誰かが1人のキャラクターになり、
他の誰かが別のキャラクターになる必要があります。
The exercise in the book needs someone to be one
character and someone else to be another person.
演習を行うために、2人の間の会話を詳しく説明します。
私を助けてくれる人が必要です。
To do the exercise, it details a conversation between
two people. I need someone to help me.
アメリカ合衆国 
