When the young man starts to earn his own living, he can no longer expect others to pay for his food, his clothes, and his room, but has to work if he wants to live comfortably. (Passage 1)

A．order
B．book
C．need
D．question

A．some may see everything in shades of green
B．few can tell the difference between blue and green
C．few may think that red, orange and yellow are all shades of green
D．very few may think that everything in the world is in green