把下列句子补充完整。

1．知识是                                                                              。 

2．我最爱吃                                                                          。 

3．大树下出现了                                                                   。

4．雷锋叔叔是                                                                      。 

5．                                                                          好可爱呀!  

6．课间活动时，                                                                   。 

7．有……还有                                                                   ！  

8．多么……多么……                                                                       。 

9．像……                                                                                     。   

10．                                                                      尽情地歌唱。