point out mistakesin the following sentence and correct them

问题描述:

point out mistakesin the following sentence and correct them
1.all of children can be naughty sometimes.
2.I've got the headache.
3.it is not allowed to smoke in the lecture hall.
4 .she had blood in her forehead.
5.I think you haven't met my wife.

1.all the children can be naughty sometimes.[需加冠词the】 2.I've got a headache 【是 a headache】 3.It is not allowed smoking int he levture hall.【sb.be allowed to do sth】 4 .she had blood on her f...