What do you spend your time on ___ work and study? [ ]

The shoes don’t fit me. Would you please show me ______ ?—Sure. Here you are.

Did you finish your writing assignment(作业)?—Of course I did. ________, I have got an “A”.[ ]

Someone is knocking at the door. Is it your brother?—No, it be him. He’s gone to Hunan.

This is a photo _____ my father. [ ]