he has limited technical knowledge, the old worker has a lot of experience.A. SinceB. Unl

发布时间：2020-08-17 08:34:18

     he has limited technical knowledge, the old worker has a lot of experience.
A. Since
B. Unless
C. As
D. Although

网友回答

A. Since
B. Unless
C. As
(答案→)D. Although
解析：空格处应引导让步状语从句，填入although最为合适。
以上问题属网友观点，不代表本站立场，仅供参考！