例：she; paint
—What's she doing?
—She's painting.
1．he; swim
—_______________________________________________
—_______________________________________________
2．Peter; read a book
—_______________________________________________
—_______________________________________________
3．Kitty; sing a song
—_______________________________________________
—_______________________________________________
4．Joe; ride a bike
—_______________________________________________
—_______________________________________________
5．you; run
—_______________________________________________
—_______________________________________________
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