描述动物特点的形容词运用 — 英语填空题
题目
从方框中选出合适的形容词填空（每词限用一次）：slow, fast, big, small
1. A whale(鲸鱼) is very ___. It lives in the sea.
2. A snail(蜗牛) is ___. It moves very slowly.
3. A horse can run very ___.
4. A mouse is ___. It is smaller than a cat.