尽管双目失明，他仍然专心学习，给我们留下了深刻印象。(concentrate on，though)
_______________________________________________________________________________
因为上海举行了2010世博会，所以数百万人前往了上海。(because，the 2010 Expo)
_______________________________________________________________________________
那些吃均衡饮食的人应该比那些只吃甜食的人健康得多。（eat a balanced food, only）
_______________________________________________________________________________
每天早上大声地朗读是英语获得成功的秘诀。(read aloud，the key)
_______________________________________________________________________________
他过去学习不努力。当老师上课时，他假装在认真听讲。(used to，when)
_______________________________________________________________________________
1.Amy used to be quiet，but now she is very o________．
2.My biggest p_______ is that I am too shy．
3.If you want to be healthy，it's n_______ for you to eat some vegetables and fruit．
4.You must pay a_______ to your mistakes．
5.He wanted to be a doctor，but he became a teacher i_______．
