题目内容：
The owner of the store promised to give the money back to the traveller ________ his return. A.at
B.from
C.by
D.on
参考答案：
选择题：The owner of the store promised to give the money
- 题目分类：河南师范大学-人力资源管理（专科）-大学英语Ⅰ
- 题目类型：选择题
- 查看权限：VIP
A.at
B.from
C.by
D.on