Directions: In each of the questions below, four sentences are given that may or may not contain an error. Choose the one that is grammatically as well as contextually correct and meaningful. If all the sentences are correct, mark 'All are correct as your answer'.
1
Either my mother or my brother is cooking dinner.
2
This night we have an apointment at a big restaurant at a corporate meeting.
3
Newt Gingrich's America's Greatest Challenge serves as a rallying cry of the American people and a plan of action for our leaders in government.
4
Two gallons of water are too much to drink in a day.
5
All are correct.