1过去式：laid
过去式题目：
1. He _laid_ (lay) his work by during the holidays. 在休假期间，他把工作放到了一边。
2. She took his hand and _laid_ (lay) it on her heart. 她拿起他的一只手，把它放在胸口。
3. But he also _laid_ (lay) out several conditions. 但是，他也提出了一些条件。
4. Every year we burn what nature _laid_ (lay) down over a million years. 我们每年燃烧的都是大自然贮藏了一百万年的东西。
5. Even our most carefully _laid_ (lay) plans may backfire. 甚至我们的最周密安排的计划也可能产生适得其反的结果。
2过去分词：laid
过去分词题目：
1. The financial crisis has plunged European countries into major recessions and many workers have been _laid_ (lay) off. 当前这场金融危机使欧洲国家陷入严重的经济衰退，很多工人失去了工作。
2. You may have been _laid_ (lay) off or suddenly have less money than you had been counting on to live. 你可能失业了或者突然挣得维持不了自己的生活。
3. These prices have been _laid_ (lay) down by the manufactures. 这些价格都是厂商规定的。
4. Paper and pencils have been _laid_ (lay) by their name-cards on the conference table for each appearant. 供与会者应用的纸张跟铅笔都按各自的地位放在桌上了。
5. He had _laid_ (lay) out his legislative agenda for an autumn special session. 他还重排了秋季议会的立法议程。
