2 The world of the first dinosaurs ‘was’ and ‘were’ Fill in the gaps using ‘was’ or ‘were’. The Earth 1................. very different when dinosa...

2 The world of the first dinosaurs ‘was’ and ‘were’ Fill in the gaps using ‘was’ or ‘were’. The Earth 1................. very different when dinosaurs first appeared, about 230 million years ago. There 2................. only one big continent. The climate 3................. hotter, the seas 4................. higher, and there 5................. no ice at the North and South Poles. There 6................. trees, but no flowers or grass. Some mammals 7................. alive at this time, but they 8................. very small. The first dinosaurs 9................. also small, quick animals. Earth 10................. very different 230 million years ago.