问题
选择题
— Can you describe _____it happened?
— Yes, I was riding on my bike_____ a car knocked me down from behind. [ ]
A. when; as
B. how; as
C. how; when
D. how; while
答案
答案：C
搜题请搜索小程序“爱下问搜题”
— Can you describe _____it happened?
— Yes, I was riding on my bike_____ a car knocked me down from behind. [ ]
A. when; as
B. how; as
C. how; when
D. how; while
答案：C