问题描述： I have some difculty in sth对吗 ?difculty要用复数吗 谢谢 1个回答 分类：综合 2014-10-09 问题解答： 我来补答 have some difculty in doing sth.I have some difculty in cooking.I have some difculty in finishing my homework. 展开全文阅读
