All flights ________called off because of the terrible weather, they had to go there by train.
39. A huge forest fire ______ after the lightning struck, but luckily no one died or got hurt.
38. Eric taught folk music in a local school for one year, ______ he spent some time abroad studying jazz.
37. No one has come up with a better explanation of why dinosaurs ______.
36. —Was the guest’s speech interesting? —Not at all. He was at a ______ and didn’t know what to say when others asked him questions.
35. —What’s that noise? —Oh, I forgot to tell you. Your bike ______.