1过去式：bent
过去式题目：
1. The trees _bent_(bend) before the wind. 树木随风弯曲。
2. He _bent_(bend) a crooked circle straight. 他把弯曲的铁丝弄直。
3. Yet no one _bent_ (bend) down to help him up. 还是没有一个人弯腰把老人扶起来。
4. I _bent_(bend) over to gather them up when I saw an unfamiliar little book in the middle of my belongings. 我弯腰去把它们捡起来，这时我发现在那些东西中有一本陌生的小书。
2过去分词：bent
过去分词题目：
1. We had _bent_(bend) the German beam. 我们已经扭曲了德国的射束。
2. The woman had already _bent_(bend) over and scooped Molly up into her arms. 那女士早已弯身把莫利抱在了怀里。
