用适当的短语的适当的形式填空。 full of                     stand close to                      be engaged in                  fill up with be addicted to          of the different sizes            make a difference            go against 1. I want to write about people you seldom read about, for example people who have AIDS or who __________ drugs. 2. Only by discovering what we do best can we hope to reach our goals and truly ____________. 3. Both in the choice of materials and shape of buildings, ancient architecture ____________ nature. 4. A group of architects want to change society with buildings that ___________ people's feeling of beauty. 5. Birds __________ the space between the branches of their nests ___________ soft materials.