Ex.6
1) told
2) said
3) told
4) said
Ex.7
2) She asked him if he could pick up her later
3) Nurlan asked when the shop was opened
4) They asked us if they could sit here
5) He asked me where I lived
P.S. Я не сильно уверена в 7 упражнении. Лучше перепроверить на всякий случай.