Выбрать правильную форму глагола, пожалуйста 10 баллов

1 started 2 built 3 sell 4 occupied 5 joined 6 read 7 waited 8 noticed 9 played 10 approached 11 run 12 grabed 13 was 14 offered 15 accepted 16 had 17 was 18 continued 19 had 20 left 21 went