一般现在时描述动物习性 — 英语填空题
题目
用所给动词的适当形式填空（一般现在时），使句子正确描述动物习性。1. A koala usually ______ (sleep) for about 20 hours a day. 2. Koalas ______ (eat) leaves, but lions ______ (not eat) plants. 3. A dolphin ______ (live) in the sea and ______ (swim) very fast.