用am, is, are 填空。
1. He ______ very hungry. 2. I ______ very cool.
3. ______ you hot? 4. Here you ______.
5. The juice ______ on the table. 6. Mary and Helen ______ hungry.
7. Here ______ three pies. 8. It ______ a sunny day.
9. ______ David at home? 10. These ______ a lot of new gloves.
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