Official Answer Key Standard Example:
Example: 「壁に カレンダーが かけて あります。」 (A calendar is hung on the wall.) Minna No Nihongo Lesson 30 Fukushuu Answers
(~てあります) : Used to describe a state that exists as a result of a purposeful action (e.g., "The calendar is hung on the wall"). The Translation & Grammar Notes book does not
: Used to describe a state that remains after an intentional action (e.g., "The calendar is hung on the wall"). ておきます ( : Expressing preparation or leaving something as it is. Still / Not yet ( affirmative) Minna No Nihongo Lesson 30 Fukushuu Answers
準備がしてあります。 → Preparations have been made (by someone).
Express effort/habit using you ni shite imasu .
The standard Main Textbook (Bunka Institute) has 3–4 Fukushuu sections. The Translation & Grammar Notes book does not include Fukushuu. You are likely using the main orange book (Honsatsu). If you have an older printing (first edition), Part A may have 5 instead of 4 listening questions – the grammar answers remain valid.