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? |