I know it is not easy for you to achieve.这句后面要不要加it 为什么

I know it is not easy for you to achieve.这句后面要不要加it 为什么 翻译这句And it is not easy to let others know you are having dif It's not easy for you to understand it,is it?啥意思 I knowing it is not easy?还是I know it is not easy? 九年级作文I know it is not easy to learn english ,but I have some 英语困惑The box is too heavy for me to carry(it) 这后面到底要不要it?It's I think that it is important to ……从句中的is要不要加?为什么? 1.We found it very easy to do.这里面found 后面的it 为什么不加is ,不是it+i I know that it's easy for U to go. 英语翻译It is not easy for them to work that problem out的同义句 the,me,it,not,is,to,easy,for,answer,question连成一句 连词成句 1-me,not,a,is,to,catch,it,for,bird,easy 2-ri