You will hear a recording. Type the missing words in each blank.

The thinking was that it (1) ……………………………. quite suddenly, that the dinosaurs were superior, that there was something about them. That once they originated, they had such an advanced (2) …………………………. and advanced type of body that they spread all around the world, that they spread around almost like an infectious (3) ………………… , that they outcompeted the other animals of the day way back in the Triassic period, the days of the (4) ……………………….. , Pangea. But we now know that’s not the case. There have been so many new fossil discoveries over the last (5) ……………………… or so, fossils of the very first dinosaurs, the animals living with the first dinosaurs.

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