Mum, you really need to have a rest! You in the kitchen ever since you came back home thre

发布时间：2020-08-16 09:16:11


Mum, you really need to have a rest! You     in the kitchen ever since you came back home three hours ago.
A. had worked
B. were working
C. have been working
D. worked

网友回答

A. had worked
B. were working
(答案→)C. have been working
D. worked
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