10．Most children can not c          on one thing for a long time．

9．Luckily，she has an o          to make an advanced study in Beijing．

8．Our teacher listed three p          on how to write a good essay．

7．He used to be a “problem child”，but recent c          changed his life．

6．In my d          life，reading newspapers has become a part of mine．

5．Although I failed four times，my father encouraged me to have a f          try．

4．This exam is a real c         ． Please study hard for it．

3．Just now I r          that I had left my schoolbag on the playground．

2．Lucy can write English very well, but she must pay attention to her p          and try to speak it better．

1．Many students find it very difficult to m           English words．