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- He had done bird before his 17th birthday. 他17岁前曾服过刑。
- Why is the door shut? Why do birds sing? 门为什么关了?鸟为什么唱歌?
- What do birds do with their wings ? 鸟类的翅膀干什么用?
- When do birds like to play outside? 鸟喜欢什么时候到外面玩耍？
- Why do birds fly south for winter? 为什麽冬天鸟儿会往南方飞?
- What other characteristics do birds have? 鸟类的其他特性是什么？
- Why do birds suddenly appear every time you are near? Just like me, they long to be close to you. 为何每次有你出现忽然间总有飞鸟翩翩只因它们和我心意相同近情情怯自难言。
- The good they have done for me is beyond measure. 他们对我所做的好事简直无可估量。
- How do birds fly? Ooh, it's not a big problem. They just flap their wings, and then they fly. 但是,有的鸟不用拍打翅膀就能飞,你相信吗?
- Many dinosaur track- ways show that dinosaurs walked as fast as do birds and mammals,and much more rapidly than can be sustained by reptiles. 许多恐龙的足迹显示它们的行动与鸟类和哺乳动物一样快，比一般的爬行类要快得多。
- Many dinosaur track- ways show that dinosaurs walked as fast as do birds and mammals, and much more rapidly than can be sustained by reptiles. 许多恐龙的足迹显示它们的行动与鸟类和哺乳动物一样快，比一般的爬行类要快得多。
- Why do birds suddenly appear, every time, you are near; why do stars fall down from the sky, every time, you walk by just like me, they long to be close to you. 为什么每次你在的时候,鸟儿就会突然出现;为什么每次你在的时候,星星都会从天上坠落;他们都像我一样,多么想紧紧的追随着你的身影。
- The lazy boy has not done a stroke of work all day. 这懒小子一整天一点事都没干。
- They have done their work very ably. 他们胜任出色地做完了工作。
- I am conscious that I have done right. 我相信自己做得不错。
- He has done his stint for today. 他今天的工作已做完了。
- We have done all we could to catch up with them. 我们已经尽了一切可能来赶上他们。
- I felt bad that I had not done my duty. 我很难过，我没有履行自己的职责。
- I had done my possible to satisfy the customers. 我已经尽了最大的努力以使顾客满意。
- John has been aware of having done something wrong. 约翰已意识到自己做错了事情。
