it's ()for us ()rainforests well Abad ,to protect B good,to prote_英语解答

it's ()for us ()rainforests well Abad ,to protect B good,to protect C important,to protecting
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人气：213 ℃　时间：2020-04-05 01:44:27

解答

B,保护热带雨林对我们有益处. it作形式主语,不定式to protect rainforests well 是真正的主语.