Choose a person (character) from the list. You have to pretend to be that person. Introduce yourself and say what you did yesterday.
「表の中から１人を選び、その人になりきって話をしましょう。」＝ Choose a person (character) from the list. You have to pretend to be that person. Introduce yourself and say what you did yesterday.
ボキャブラリー
「表」＝ list / table / chart
「人」＝ person （この文脈でcharacterでもオッケー！）
「選ぶ」＝ choose
「人になりきる」＝ pretend to be that person / play the role of that person / imagine you are that person
「昨日したことを言います」＝ say what you did yesterday
イギリス 
