8n1.How much did I(you)pay for the computer? 2.What foreign languages did Mrs Robinson teach at the University? 3.How often did we go to the cinema last month?4.Which books did Mike choose?5.How much fish did we caught? 6.What did said Jack about the accident?7.How many spelling mistakes did Mary?8.What time did we have dinner?9.When did I come?10.Whose notebook did Mary take by mistake?11.When did we hear this opera?12.Where did I last meet Peter in January? 13.What time did Mike leave?14.How much does this notebook computer cost?15.Where did I find my umbrella?16.What books did I (you) read in summer?17.When did we begin the work?18.How much money did John send me?19.How long did Jack write this composition?20.What did I tell Kate about you?21.How much work did he do?