1)What book Betty was reading the wole evening?
2)Where was I waiting for you after?
3)About what Jane and Helen were talking loudly when i came in?
4)What programme were we watching tv at 7 oc'lock?
5)What topic the children were discussing when the teacher came?
6)Why Betty and Jeft were laughting gaily when i saw them?
7)What song granny was singing when i came in?
8)What mother still reading,when I returned home?
Наверное так, но лучше проверить)