【推荐1】Having smoked too much, he has suffered from________(肺) cancer. (根据汉语提示拼写单词)

【推荐1】It is illegal to reproduce these worksheets without________（许可）from the publisher.

【推荐2】China’s victory in poverty reduction has offered hope and provided a valuable frame of _________ (参考) for the world, especially the developing countries. (根据汉语提示单词拼写)

【推荐3】Last year,   Caruana gave up ________(酒精) before the world championship. (根据汉语提示单词拼写)