Because of the bad weather, the sports meet had to be ________.
A、shutdownD
A关闭，停业B废除，终止(与with连用)C离开，起飞D取消
Iftheoperation________carefullyprepared,itwouldnothavebeensuccessful.
Hisintelligencewill________himtogetascholarshiptocollege.
Thenewdiscovery_______beofgreatservicetomankind.
Becauseofthebadweather,thesportsmeethadtobe________.
Themeeting_____nextweekwillbeofgreatimportance.
