(work) ______ for three months, the engineer finished a complicated design.Havin

游客2023-09-28 100

问题 (work) ______ for three months, the engineer finished a complicated design.

选项

答案 Having worked

解析

转载请注明原文地址:http://tihaiku.com/zcyy/3052112.html

相关试题推荐

随机试题

最新回复(0)

Ireceivedane-cardforChristmasfrommybrothertowhomIhavejustfinished