问题
选择题
I was halfway back to the hospital where the doctor was working Susan caught up with me．
A．when
B．while
C．until
D．though
答案
答案：A
搜题请搜索小程序“爱下问搜题”
I was halfway back to the hospital where the doctor was working Susan caught up with me．
A．when
B．while
C．until
D．though
答案：A