zhongyiying

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/17 21:46:06

解题思路：如下
解题过程：
69.help me remember new words
70.had better talk about the travel plans
71.spends much time reviewing
72.asked me to buy several tapes
73.be sure that Li Lei was telling the truth
最终答案：略