坏坏的小幸福
【解释】本题考察keep+动名词 keep doing sth.(表状态) 两个空就填写keep working 【注意keep要根据主语,时态变化(随时态变,随时变态)】I keep working hard these days.I have been working for more than 24 hours.She keeps working hard these days.They kept working hard in the heavy rain last night.