Direction: In the given question 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
Temperatures rarely rise below zero in winter.
2
His French must very good.
3
Everyone in the office complains that she smells awful, hence nobody dares mention it to her.
4
I worked at the girl’s dormitory for a week.
5
All are correct