【推荐1】This kind of medicine is for e__________ use only, which must be put on your skin and not swallowed. (connected with or located on the outside of sth /sb.) (根据首字母单词拼写)

【推荐2】A combination of internal and e________ factors caused the company to close down. (根据首字母单词拼写)

【推荐3】The __________(外面的, 外部的)features of the building are very attractive. (根据汉语意思单词拼写)

【推荐1】London is one of the important ________ (金融) centers of the world.

【推荐2】The volcano erupted and burnt with an ________(难以忍受的) light. （根据汉语提示单词拼写）

【推荐3】Mother was annoyed when she saw the dog’s m________ foot prints on her new sheet.