Stumped on the following and would appreciate any hints
35 War burial may hide brutal construction site (5,7)
36 Earth is required for a small entrenchment (7)
61 Arrange to get cheaper seat at the cinema (3,5,6)
70 Rank stuff a worher may produce (8)
78 ...but half-day opening had this vessel on display (7)
86 Source of charge - assault? (7)
98 Advance position held for game with teacher (10)