Do you think that _______ is more useful than gold?

Do you think that _______ is more useful than gold?选项:a、Iron I think English is more useful than Chinese. I think _______ The book is _______(use)than that one.求解析为什么横线中填more useful why do you think practice is more important than theory Do you think English is more interesting than maths? which do you think is more useful,a vocational education or do you think it useful _________(practise)reading more? i think science is more useful than art.I disagree.i think a i think science is more useful than art.--i disagree,i think Do you know ( ) the Great Wall is I think it is more than 50 Do you think liyang's crazy english is useful do you think an only child is more selfish than a child who