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
Some people say that Mars should be protected as a wildlife reserve where we do everything possible to avoid pollution, on the _______ that life could exist on it.
A. assumption B. arrangement C. assistance D. appointment
