试题：
| 用所给单词的适当形式填空。 |
| 1. —What's your favorite _______ (animal)? —Koalas. 2. My brother often goes to the zoo _______ (see) the animals. 3. Sunday is the _______ (one) day of the week. 4. I think _______ (dog) are kind of smart. 5. _______ (be) a penguin an animal? |
序数词, 可数名词（单数名词，复数名词）, 名词, 主谓一致, 不定式
2016-05-28
答案：
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