They are eager _______ abroad.
C
beeagertodosth：渴望做某事。句意：他们盼望出国旅行。
Heblamedhispoorperformance_____jetlag.
Becauseofthebadweather,thesportsmeethadtobe________.
Theypreferto_______therestofthemorningwalkinginthegarden.
Thenewdiscovery_______beofgreatservicetomankind.
Themeeting_____nextweekwillbeofgreatimportance.