He said, "I will come tomorrow."

  1. He said that he would come tomorrow.
  2. He said that he would come the next day.
  3. He said that he will come tomorrow.
  4. He told that he would come the next day.
Answer

B) He said that he would come the next day.

will → would; tomorrow → the next day. Direct & Indirect Speech · Statements

English MCQ · More English: Direct & Indirect Speech MCQs · Practise