No matter how much time you spend planning a trip, things still _____ go wrong and air travel is no exception—from weather delays to lost luggage.
A. deliberately B. obviously C. originally D. occasionally
Vehicle designers are well aware that they need to ______ the idea of cars that have a low environmental impact.
A. end up with B. put up with C. keep up with D. come up with
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
