就是按原文填空啊，原文是：The Acoma and San Ildefonso pueblos have established highly profitable pottery business,while the Navajo and Hopo groups have been similarly successful with jewellery.追问
感动有人回答。但是题目是produce and sell ---，单数不会很奇怪？昨天也有人回我说原文怎么样就怎么写，不用改写。雅思真的不会改写吗？