the peasants were often made to work from morning till night
为什么made后面要加to work
please keep us informed of the lastest news为什么keep后面用 informed
人气：435 ℃ 时间：2019-12-10 02:38:20
解答
1.这句有被动语态,当正常语态的时候,make的用法是make sb do sth,而被动是sb be made to do sth
所以有to
keep sb informed 是个固定短语
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