Question

fill in the blank with correct tense of the verb given in the bracket using past tense: I ____ for four hours when you knocked at my door (sleep)

Answer 1

the correct answer for your question is I had slept for four hours when you knocked at my door.
Mark me as BRAINLIEST PLZ it's important

Answer 2

hey friend this is your answer:
I had slept for four hours when you knocked at my door ......
hope this answer will helps you