英検2級英作文添削お願いします TOPIC 多くの建物が雨水を利用してるけど君は将来このような建物が増えていくと思う? I think many buildings which collect rainwater will become common in the future. I have two reasons. First, we can use it for nothing.So, we don't have to worry about cost of water.If we have a lot of rainwater, children can enjoy playing with their friends. It is good for parents and children to collect it. Also, if we cannot use any water because of a disaster, we can drink it. In conclusion, I think the number of buildings which collect rainwater will increase in the future. 字数は98字ぐらい どうでしょうか。