다음 중 어법상 가장 적절하지 않은것은?
㉠ Creating the electrical energy also creates environmental problems. We can't give up electricity, but we can control the ways we use ㉡ it. We can use alternative sources of energy that ㉢ are not as harmful to the environment as those which we are presently ㉣used.
① ㉠ ② ㉡ ③ ㉢ ④ ㉣
㉠ Creating the electrical energy also creates environmental problems. We can't give up electricity, but we can control the ways we use ㉡ it. We can use alternative sources of energy that ㉢ are not as harmful to the environment as those which we are presently ㉣used.
① ㉠ ② ㉡ ③ ㉢ ④ ㉣
ㄷ
4
난이도가 갑자기 왜이러노
4