题型:问答题 简答题 单项选择。There ______ a tree in front of the classroom last year, but there ______ now. [ ]A. is, isn't B. isn't, is C. was, wasn't D. was, isn't 查看答案
题型:问答题 简答题 该批免费补偿货物进口时,除应当填制报关单外,还需提交以下哪些资料:A.原“进口货物报关单”B.原“进口货物税款缴纳书”C.买卖双方签订的索赔协议D.商品检验机构出具的原进口货物规格不符的检验证明书 查看答案