You’ll never guess who I met today — my old teacher! We _____ for 20 years.
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 ______.
34. English is considered as a(n) _______ language, and it is no surprise that there are so many people in the world learning it.
33. —We want to sit at the table near the door. —I’m sorry, but it _______ already.