of the household garbage recycled or reused since the new technology was applied.
| A．Three-fourth; has | B．Three-fourths; have |
| C．Three-fourths; has been | D．Three-fourth; have been |
Comparison may make something appear more beautiful than it is when alone.
| A．to see | B．seeing | C．is seen | D．seen |
He traveled to many mountain villages and saw many poor children out of school. This experience his life.
| A．would change | B．had changed | C．was to change | D．was changing |
Though small, the ant is as much a creature as all other animals on earth.
| A．are | B．is | C．do | D．have |
I admire David as a poet, I do not like him as a man.
| A．Only if | B．If only | C．As much | D．Much as |
The article suggests that when a person under unusual stress he should be especially careful to have a well-balanced diet.
| A．be | B．is | C．were | D．was |