问题描述: 填空题 When you walk___the road,you must be careful. 1个回答 分类:英语 2014-10-22 问题解答: 我来补答 across 再问: cross 行不行 再答: 不行!cross是动词。用cross时应为: When you cross the road,you must be careful。 展开全文阅读