题目内容：
20.(单选题)I don’t know how ____ to my teacher to ask for three ____ sick leave(本题3.0分)A.write,days
B.to write,days’s
C.write,days’s
D.to write, days’
参考答案：
选择题：20.(单选题)I don’t know how ____ to my teacher to ask
- 题目分类：成都理工大学大学英语
- 题目类型：选择题
- 查看权限：VIP
A.write,days
B.to write,days’s
C.write,days’s
D.to write, days’