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

admin2009-05-28 55

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:https://kaotiyun.com/show/ZfvK777K

大学英语三级A级

相关试题推荐

随机试题

最新回复(0)