【Skill 3】understand when a card will expire from expressions such as 年 (year[s]) and ヶ月 (month[s])
Understand when a card will expire from the following expressions. The card's expiry date or validity period is mentioned after 有効期限 (expiry date/validity period).
■ １年 (1 year)
■ ６ヶ月 (6 months)
■ 2018年２月５日 (February [month] 5 [date], 2018 [year])