题目内容
翻译句子
即使他们那时很忙，也应该帮助我们。(even though)
答案：
解析：
解析：
They should have helped us, even though they were very busy then．
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题目内容
翻译句子
即使他们那时很忙，也应该帮助我们。(even though)
They should have helped us, even though they were very busy then．