试题详情
单项选择 较难0.4 引用12 组卷1653
Before you ask someone for help, find out          he is the right person for your problem.
A.sinceB.thatC.whetherD.unless
2019·河南·中考真题
知识点:if/whether引导宾语从句 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!