—Do you really know _____ at this time yesterday? — Sorry, I don't know.[ ]A、what did they doB、what they didC、what were they doingD、what they were doing
—Do you really know _____ at this time yesterday? — Sorry, I don't know.[ ]
A、what did they do
B、what they did
C、what were they doing
D、what they were doing
发布时间：2026-02-03 04:09:12
