During the past two decades, research has ________ our knowledge of daydreaming.
A、expandedA
A扩大B浮现、露出C下降D征服
________，hehadnotimetorest.
英语翻译：我不明白她如何能在一天之内做那么多事情。
Thefarmingmethodshavebeen________improvedwiththeinventionofthenewmachine.
Thegovernmentfinally________allthedocumentsrelatingtothewar.
AlthoughTomissatisfiedwithhisacademicachievement，hewonders_______willhappentohisfamilylife.
