It is necessary ( ) others when they are in trouble.Do you think so?A.for us to help B.of us helping C.of us to help D.for us helping
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It is necessary ( ) others when they are in trouble.Do you think so?A.for us to help B.of us helping C.of us to help D.for us helping
It is necessary ( ) others when they are in trouble.Do you think so?
A.for us to help B.of us helping C.of us to help D.for us helping
It is necessary ( ) others when they are in trouble.Do you think so?A.for us to help B.of us helping C.of us to help D.for us helping
it is +adi +of/for sb to do sth这个结构中,如果用of,中间的形容词是在描述sb.如果用for,中间的形容词是在描述动词不定式
it is kind of you to help me.你帮助我,真是好心.kind 是修饰you的
it is important for us to learn english well.学好英语对我们来说很重要.important是修饰动词不定式的
就本句,很明显necessary 是指to help others
因此选A
A
句型 it's necessary for sb. to do sth.
翻译为 对于某人来说,做某事是必要的
原句翻译为:在别人有困难的时候提供帮助是很有必要的,你认为呢?
不懂继续追问,望采纳,谢谢诶。(*^__^*) 嘻嘻
A.for us to help
固定用法,做某事对某人来说是必要的。
A