题目内容：
He set off very late, and __________ did not catch the morning flight.选择一项：
A.
however
B.
therefore
C.
but
D.
because
参考答案：
选择题：He set off very late, and __________ did not catch
- 题目分类：国家开放大学-开放英语4
- 题目类型：选择题
- 查看权限：VIP
选择一项：
A.
however
B.
therefore
C.
but
D.
because