✨ Best Answer ✨
This river is dangerous to swim in.
Swimming in this river is dangerous.が元の文になるはずなので、inは外せないってことではないでしょうか。
ごめんなさいさっき消してしまったのでもう一度。
Answers
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
ありがとうございます！