(2) 通勤に自転車を使う人たちが増えた。子どもから高齢者まで手軽に乗れて、体に良いし、 地球にも優しいからだ
ろう。
[解答] The number of people commuting (who commute) (to work) by bicycle [by bike] has increased [has been
increasing], probably because people of all ages can ride one (readily / easily) and riding a bicycle is good for their
health and for the environment.
Th
(4)
of the
[別
(5)