试题详情
看图片，从方框中选择合适的词填到横线上。
| am/ is → was; are → were; can → could big → bigger; small → smaller eat → ate; run → ran; drink → drank |
There lots of dinosaurs many years ago.
Some of them plants. Some of them faster, so they could eat other dinosaurs. But now we only see dinosaurs in museums.
知识点
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