Before testing this method on patients, Dr. Baker had tests for two years
on three hundred dogs.
| A．found out | B．helped out | C．worked out | D．carried out |
40. —William, what kind of music do you like, rap or jazz?
— _______. I prefer country music.
| A．Either will be OK | B．Both will be OK |
| C．To be honest, neither | D．Generally, I’m not sure |
39. A huge forest fire ______ after the lightning struck, but luckily no one died or got hurt.
| A．broke out | B．broke up | C．broke down | D．broke off |
38. Eric taught folk music in a local school for one year, ______ he spent some time abroad studying jazz.
| A．after that | B．after which | C．after it | D．after this |
37. No one has come up with a better explanation of why dinosaurs ______.
| A．died away | B．died for | C．died of | D．died out |
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.
| A．loss | B．relief | C．goal | D．Mercy |