第9题: [填空题]Allen had been playing computer for almost three days without a rest.
It has taken Allen three days ______ the computer without a rest. 参考答案:playing/to play 答案解析:[名师解析] 表达“某人花了多长时间做某事”,英语中用这样的句型:it takes sb. some time doing (to do) sth.。因此,这里填playing/to play。