1 was invented
2 was divided 3 had been caused 4 was killed 5 was lost 6 were you asked 7 had been cut off8 were eaten 9 was|were informed 10 was distressed 11 was stolen 12 was closed 13 were ignored 14 was reorganized 15 were made 16 were killed 17 were added 18 was bought 19 were being exhibited 20 was required