英検２級 2026年 第1回 #12 ひとり暮らしを始めて全部自分でしなくてはいけなくなった

問い
Ben moved out to his parent’s house and into an apartment last week. 
Now, he has to go everything ( 　　　　　) ,  like cooking and cleaning.
選択肢
1  on the air    　             2  at a distance
3  to his surprise         　 4   on his own