Question

ゆう

この文で（1）になぜinがはいるのですか？私はonだと思いました。

onを選んだ理由は、歴史の上にあるって思ったからです。

There are 1.42 million lakes in the world, and 62% of them are in
Canada. Along with these many lakes are thousands of rivers. Today, 70%
of North America's large rivers without dams are in Canada. In short,
(A)
Canada is covered by a lot of water. If you think about how much water
there is in Canada, it is not surprising that a small boat, called a canoe,
a big role ( 1 ) the history and development of the
has played a big role
country.
19~
1980
role
small boat with an open top that can move quickly and
(B)-

Answer 1

✨ Best Answer ✨

ゲスト

play a role in ～「～で役割りを果たす」という熟語があります
この in が答えです

has played a big role in ～「～で大きな役割りを果たした」
となっています

ゲスト

role の代わりにpart が使われることもあります
play a role in = play a part in
です

ゆう

理解できました。ありがとうございます。