find a mistake and correct it .
1 what do his father do . 2. I go to school five days a week excepts saturday and sunday . 3. she learns different subjects in school . 4. how many windows is there in her classroom , . 5 my brothers sleeps often on the floor . 6 . alex usually don't finish his homework at 8 p.m . 7. what time does nga gets up every morning , 8. at break time. I go to the library and reads books . 9 . my father never drink coffee . 10 . there is ten boys and nineteen girls in our class