根据句意从方框中选择合适的动词,并用其适当形式填空,使句子通顺。
| chat fly not be swim look |
Look! Tommy with his friends__________ under the big tree.Tom often practices ___________. He is a good swimmer.Tom, late for school next time.The boy with his classmates often kites in the park in spring.I don’t know how__________ after a dog.