1.be useful to_______ 2.be helpful to______3.be important to
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1.be useful to_______ 2.be helpful to______3.be important to______4.be necessary to______
填doing或do
填doing或do
![1.be useful to_______ 2.be helpful to______3.be important to](/uploads/image/z/2881601-17-1.jpg?t=1.be+useful+to_______+2.be+helpful+to______3.be+important+to)
e 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 sth./ doing sth.前面的sth.一般是具体的某个事物
be important to do sth ,be important for sb to do sth
be necessary 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 sth./ doing sth.前面的sth.一般是具体的某个事物
be important to do sth ,be important for sb to do sth
be necessary to do sth
1.be useful to_______ 2.be helpful to______3.be important to
作文Be helpful to others
Be helpful to others急!
be helpful in be helpful to be helpful for 三者区别即怎么用
be useful to和be useful for的区别
是be useful for 还是be useful to?
be useful to和be useful for的区别?
be important to造句
be important to do
be helpful to others 这个搭配对吗?
be helpful to do为什么不对
选择be supposed to .be expected to be important to