1 . The boy joyfully ate up every single bit of the food on the table, his dog 　　　 　 at him with its mouth watering.

A．staring	B．stared
C．to stare	D．having stared

2 . The boy, ________ with his school work every day, felt rather tired and wanted to have a whole day to relax.

A．occupying	B．having occupied
C．occupied	D．being occupied