问题
填空题
根据句意，写出单词的正确形式。
1. Where (do) a bird live?
2. Giraffes (eat) leaves.
3. What (is) they doing?
4. Why is Tom (brush) his teeth?
5. The girls are (hug).
答案
1. does 2. eat 3. are 4. brushing 5. hugging
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