WHAT IS THE MAIN IDEA OF THE PASSAGE

40.What is the main idea of the passage?A.The benefits of using the internet. B.The disadventage of using the internet.C.How to use the internet. D.All are correct.B. PHẦN TỰ LUẬN (2,0điểm)I. SENTENCE TRANSFORMATIONComplete the second sentence so that it has a similar meaning to the first one.