我弟弟每天花两个小时做作业 It------my younger brother two hours ----- ------- his homework every

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我弟弟每天花两个小时做作业 It------my younger brother two hours ----- ------- his homework every
我弟弟每天花两个小时做作业 It------my younger brother two hours ----- ------- his homework every

我弟弟每天花两个小时做作业 It------my younger brother two hours ----- ------- his homework every
此题考查句型:It takes/took sb.some time to do sth.做某事花费某人多长时间,不定式是真正的主语,it 是形式主语.
因为有every ……,所以为一般现在时,所以第一个空是 takes ,第二个和第三个空分别是to do,

第一个空takes 第二个空 to do