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BE hElpFul to Do

helpful to 和 heplful for 都有"有助于"的意思,但 helpful to 较常用于接sb,而 helpful for也可以接sb,但多用于接sth或doing sth,表示"对....有益"。 例: Swimming is helpful for bones that are porous and weak. 游泳有助于改善骨质疏...

sth. is helpful to sb. ……对某人有助 ....is helpful to sth. 对……有助 、 我觉得这里是运用 ,.... is helpful to sth. 不过就是用动名词形式strengthening the sense of reponsiblity and managing interpersonal relations 来充当sth.而已,...

还有be helpful (for sb) to do 这个词组be helpful in doing sth 也有

It's helpful to do sth 是正确的。 It 是形式主语 真正的主语用 to do sth It is helpful to be informed . be helpful to sth to 是介词 , 后应该跟 动词的ing 形式所以A BC都不对 be helpful in (doing )sth 表示在某方面有帮助 Doing exe...

be useful to do sth it is helpful to do sth. 做……是有好处的 It is helpful for sb. to do sth. 某人做……是对他有好处的 这两个都是it 做形式主语 helpful 是表示“有好处”,而不是“有助的” it is helpful in doing sth. sth. is helpful to s...

what can we do to be a helpful person? 我们能做什么做一个有用的人?

C find it +形容词

to do 等待某人做某事 没有doing的说法

ACDBB

You'd better be helpful in learning to read 无可替u | 发布于2009-10-21 20:37 评论 1. Do you know the boy who is crying?2. I don't ...

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