词形变化。 1. Why not go _________(boat) on the river with me? 2. The children like _______( swim) in the lake. 3. Do you enjoy _______(teach) English in our class, Mr. Green? 4. Are you ______(go)______(hike) this Sunday? 5. Lucy is going camping on the _______(twelve). 6. She ______(take) a photo of her baby last weekend. 7. Are you ______(babysit) your little sister this Sunday? 8. Lots of ______(visit) come to the city at this time of year. 9. Will you please show all your ______(photo) to me? 10. That sounds ______(interest).