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英语句型转换1、Hehasbeenskatingfor2hours.(改为否定句)Hefor2hours.2、Theworkershavebeenworkingforeighthours.(改为一般疑问句)theworkersforeighthours?

题目详情
英语句型转换
1、He has been skating for 2 hours.(改为否定句)
He ______ ______ ______for 2 hours.
2、The workers have been working for eight hours.(改为一般疑问句)
______ the workers _______ _______for eight hours?
▼优质解答
答案和解析
hasn't been skating
Have been working