Bob works in a food store,He puts food on the shelves every

Bob works in a food store,He puts food on the shelves every dya.Today there are no bags of rice on the shelves.
Bod,says the shopkeeper,we need some bags of rice.Go and bring some rice here.
Bob runs to get some bags of rice.They're in another room and they're on the bags,so he brings two boxes and puts one box on hte other.Then he stands on them.Now he can reach the bags on the shelf.
The shopkeeper comes and says,Bob Where are the bags of rice?He opens the door.
Don't open the door Bob says,but it's too late.
Then Bob falls down.Now Bob is on the floor.There's some rice on his head.
What does Bob do every day in the store.
What does the shokeeper need
How many boxes does Bob stand on?
Why does Bob fall down?
Which of the following is TRUE according to the passage?