The children are having a happy time now.(what)感叹句

The children are having a happy time now.(what)感叹句
English is a very important language(what/How)感叹句
A plane flies fast(How)感叹句
Jimmy is a hard-working student(what/How)感叹句
The students are listening to the teacher carefully(How)感叹句
The film is quite exciting (what/How)感叹句
They have interesting comic books.(How)感叹句
We watched a worderful football match last week.(what)感叹句
The weather today is so terrble.(what/How)感叹句