2.  请为你自己切这条面包吧。

Please     this bar of bread     

Li Xiaomei can     many     in    

8. You had better not sing for them.

7. You should not play with them.

6. You had better stay here.

5 You should eat more.

4.  Go there now, please.

3.  Please don't eat that apple.

2.  Paint the wall blue.

一、根据所给肯定句写出否定句或根据所给否定句写出肯定句 

1.  Put up a picture on the wall.