He was so engaged ______ his business that he hadn’t been home for a month.A、at

游客2023-09-23  22

问题 He was so engaged ______ his business that he hadn’t been home for a month.

选项 A、at
B、on
C、for
D、in

答案 D

解析
转载请注明原文地址:https://tihaiku.com/zcyy/3037794.html
最新回复(0)