【推荐1】Volunteers formed a human________(一连串)to rescue precious items from the burning house. （根据汉语提示单词拼写）

【推荐2】The opened link is used to join the two ends of the ________ (链子). (根据汉语提示单词拼写)

【推荐1】Though affected by gradual blindness, Henry was still capable of writing compositions and he found that creating music was a r_________ and cure for his disease. （根据首字母单词拼写）

【推荐2】Ieoh Ming Pei was one of the most famous a________ and the buildings he designed are attractive. (根据首字母单词拼写)

【推荐3】Make sure you enclose (随函附上) all the relevant ________ (合格证书). (根据汉语提示单词拼写)