英语短文改错 The class was coming to end.The teacher

英语短文改错 The class was coming to end.The teacher
1.___ told to the pupils not to draw anything on the wall 2.___ in order to keep them clean.After class,David 3___ forgot the teacher's word.He took a piece of chalk 4.___ and drew a sun on the wall.Just then,he noticed 5.___ the teacher was coming back.But he quickly 6.___ covered the drawing with her back.The teacher didn't 7.___ find out he was doing.When she passed,she smiled 8.___ at
David.David was very happily.But when he turned 9,___ around to see his drawing,he finds nothing on the wall.10.___

1.told后的to去掉
2.them改成it
3.word改成words
4.a改成the
5.But改成so
6.her改成his
7.out后面增加what
8.happily改成happy
9.finds改成found
10.后面没有句子了?