1.  Frankie climbed into bed, curled himself into a tight ball and pulled the covers up over his head.

2.  I crawl into my sleeping bag and curl up in a tight ball.

3.  She could feel that the muscles in her stomach were clenched into a tight ball.

4.  She curled up in a tight ball as though to stop herself from breaking apart.

5.  The Princesse crumpled the telegram into a tight ball.

6.  When hedgehogs are in danger, they curl their bodies into tight balls.

7.  I crawled into my sleeping bag and curled up in a tight ball.

8.  When threatened, a hedgehog will roll up into a tight ball.

9.  She curled up in a tight ball, with her knees tucked up at her chin.

10.  Mother, pulled into a tight ball with her face in her hands, sat at the far end of the couch.She was crying.