we must do as much as we can help the poor people
he accepted his mother 's praise after he was elected chairman of the organization
人气：237 ℃ 时间：2019-12-19 01:17:40
解答
as much as we can 是do的修饰语,简化成we do sth to help the poor people,你就明白了,故需在do和help之间加动词不定式to
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