The money collected should be made use the people who are in trouble.
| A．of helping | B．to help |
| C．of to help | D．to helping |
Glass is obviously a wiser choice for the plate as it can easily be recycled and does not take hundreds of years to _____ like plastic.
| A．break off | B．break out | C．break down | D．break into |
Mike, whose ambition is to become a network engineer, was always ______from other boys by his programming ability.
| A．prevented | B．separated | C．benefited | D．distinguished |
Harry telephoned to the airport to______ whether Flight 24 for San Francisco is departing on time.
| A．prove | B．ensure | C．confirm | D．identify |
—Will you be ______ this evening, Mary?
—That depends. I am afraid I will be with my manager discussing a plan.
| A．demanding | B．suitable | C．available | D．efficient |
Children who are spoiled by their parents are more _____ than others —they are more likely to fight with their fellows for toys and candies.
| A．pessimistic | B．sensitive | C．aggressive | D．Punctual |