How much longer do you think we can hold on?你认为我们还能坚持多久?
问题描述：
How much longer do you think we can hold on?你认为我们还能坚持多久?
如果这里没有do you think ,语序是不是就要变成,How much longer can we hold on?
答
一样的,不用变顺序.意思一样,只是语气就变了