Question

i___read this book by 3pm tomorrow

Answer 1

Answer:

I had read this book at 3pm tomorrow

Answer 2

I can read this book by 3pm tomorrow

Possible solutions

• The given statement wants to show that the given book can or should be read till tomorrow.
• So to fill the blank with a suitable word, we must know the proper intention of the sentence.
• If we are arguing on something that I can do this task, then the suitable work here will be 'can'.

Required solution

• But if one want to show that he should complete this task for some reason then the suitable word for given blank will be 'should' or 'must'
• So the proper answer here will be 'can' which will show that one can complete this task by given deadline.

Conclusion

Hence, "I can read this book by 3pm tomorrow" is the required complete sentence.