填空题
The room is in a terrible mess; it （）（肯定没打扫过）.
can’t have been cleaned
填空题 If this can’t be settled reasonably, it may be necessary to（）(诉助武力).
填空题 Mark often（）(试图逃脱罚款) whenever he breaks traffic regulations.
填空题 His remarks left me （）(想知道他的真实目的).
