What were you doing this time yesterday?-I on the grass and

this\what\and\yesterday\time\you\doing\your\at\were\friends( What were you doing at this time yesterday morning? What were you doing (do)this time yesterday. What were you doing at this time yesterday?怎么回答 do you know what they were doing this time yesterday 用were对吗 What were you doing _______ A yesterday Bthis time yesterday What were you doing at this time yesterday?I_(mend) my motor What were you doing when I phoned you yesterday evening? What were you doing yesterday afternoon when I was watching what were you doing yesterday什么时态 What were you doing when I was p on the books? What can you see on the grass?