l think we_______ learn to be useful to people ,so it's
l think we_______ learn to be useful to people ,so it's
I think that it's a useful to learn a foreign-language.
Because I think it's useful.I want to learn English[ ].补全对话
i find it's useful to learn English.为什么可以改成i find it useful
I find it useful to learn English well It is so hard to lear
Do you think it __for us so learn to wait?
I think——(this,that,it)is very useful to learn english well.
i think It (is) useful to learn english well.括号里面的is要不要加?
I WANT TO LEARN SOMETHING I THINK USEFUL
I think it's for you to learn Chinese well
I would like__maths,I think it's diffcult to learn
I think it is useful for us to help other people.改为一般疑问句