--- I ____ so busily recently that I ____ no time to help you with your maths.---That’s OK. I c..
---I____sobusilyrecentlythatI____notimetohelpyouwithyourmaths.---That’sOK.Icanmanagei...
--- I ____ so busily recently that I ____ no time to help you with your maths.---That’s OK. I can manage it by myself. A.had been working; had had B.have been working; had C.have been working; have D.am working; will have
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