英语填空题（只有5分了,都个大家,快点那）

英语填空题（只有5分了,都个大家,快点那）
The girls_______in the classroom.
A:sings B:singing C:are singing

Do you want______the movies?
A:to go B:go to C:to go to

I'm just________my clothes.
A:washB:washing C:is washing

Let's_______at my home first.
A:meetB:to meet C:meeting