He __ when the teacher entered the room, Complete the sentence with the parts given below: March 26, 2025 by Admin a) will have studiedb) had studiedc) was studyingd) has studied Correct Answer : c) was studying Related Posts:Types of computersThe Importance of Information and Communication TechnologyFinance and Business FinanceWhat is a Robot? Types of Robots | What are robots used for?What Is Golden Bachelor Contestant Theresa Nist's Job?How to keep ones reading room clean.