Analyse the sentences and the question tags:
I-We have lived alone, haven´t we? II-Let´s correct the exercise, shall we? III-Let the books on the table, shall it? IV-Sarah has curly hair, hasn´t she?
A) Only I and II are correct.
B) Only II and IV are correct.
C) Only III and IV are correct.
D) All are correct.
E) Only I and IV are correct.