大輔、綾香、ナンシーの会話を聞いて、空所に適切な語を入れましょう。
Ayaka
技術や製品
It can fly over the city as if it were an ①( ). 利点
We could easily escape from ②( ) roads.
Nancy
技術や製品
It can make a delicious dish as if it were a good ③( ). 利点
We wouldn’t have to ④( ) at all.