오키에서 다운 받은 자료인데요.. 해설이 없더라구요1. You can make a cow ①go upstairs , but it is ②nearly impossible to③ get one come down.

2. One day ①after a shower, a boy asked his father how the birds ②could sit on the wet high-voltage power lines without ③killing.

다 3번이 틀렸는데 정확하게 어떻게 고쳐야 될지 잘 모르겠더라구요ㅎㅎ 가르쳐주시면 감사하겠습니다^^