✨ ベストアンサー ✨
1 〇
2 ~ since it was translated into English in the 1920s.
3 A couple, who seemed to be husband and wife in their late sixties, got on the bus.
4 Two-thirds of Japan's land is mountains and forests.
5 The number of young people who are interested in science and technology has been decreasing since the late 1980s.
参考にしてください
ありがとうございます!