Interactive Writing
第 3 级 · 95–16008:00
第一部分：用约 5 分钟回答问题。写完后会出现一个追问。
In many countries, people are living longer than ever before. What challenges and opportunities does this create?
0 词 · 建议至少 80 词
第一部分：用约 5 分钟回答问题。写完后会出现一个追问。
In many countries, people are living longer than ever before. What challenges and opportunities does this create?