Complete the gaps with the correct body parts.

Luke was starving. He didn't have breakfast this morning. At lunchtime, he ate very messily. The burger mayonnaise was on his chubby (1. ___ ). The tomato ketchup was on his (2. ___ ) under the mouth. His (3. ___ ) hurt because he chewed the burger very fast. 

The correct answers for point 1 to 3 are ....