1过去式：crept
过去式题目：
1. A lonely feeling _crept_(creep) upon my spirit. 一种孤独感爬上我的心头。
2. She _crept_(creep) downstairs and opened the front door quite softly. 她悄悄地走下楼，轻轻地打开前门。
3. He _crept_(creep) shivering into bed. 他颤抖地爬上床。
4. As dusk _crept_(creep) over the treetops we pulled into Prince George. 当暮色爬上树梢时我们来到了乔治王子城。
5. The boys felt tired so they put out the fire and _crept_(creep) into their tent. 孩子们感到疲劳了，说所以他们熄灭了火，爬进了他们的帐篷。
2过去分词：crept
过去分词题目：
1. It was falling all the time, whispering and rustling to itself and in one corner it had _crept_(creep) onto the floor. 它就这样一直下啊下啊，顾自的沙沙飒飒，在一个角落，它已经爬到了地板上了。
2. And thus imperceptibly the day had _crept_(creep) on to its close, and now the sun was on the point of sinking out of sight behind the high mountains. 就这样不知不觉中一天的时间已经过去了，太阳眼看就要下山了。
3. Every horror in his life that had _crept_(creep) through his dreams. 从前经常在他梦里蔓延的所有恐惧呈此刻了现实里。
4. We had _crept_(creep) by stealth from the orphanage grounds, and stood among the rocks and bald hills of the West. 我们偷偷地溜出孤儿院，站在西边光秃秃的山丘上的岩石堆里。
5. The 2005 survey, however, showed the rate had _crept_(creep) up to 23 percent. 不过，2005年的调查显示，吸烟学生的比例爬升至23%。
