题目内容：
I am writing my mother to express her thanks for your gift.A. with regard to
B. on behalf of
C. in line with
D. 不填
参考答案：
选择题：I am writing my mother to express her thanks fo
- 题目分类：石家庄职业技术学院公共英语
- 题目类型：选择题
- 查看权限：VIP
A. with regard to
B. on behalf of
C. in line with
D. 不填