Which one of these of words is a complex sentence? A I know when he will come B I known to his arrival C When he will come is known D he will come and I know it Which one of these of words is a complex sentence? Correct Answer I know when he will come Bissoy MCQ Team Jun 04, 2023 English Complex Sentence রাজশাহী বিশ্ববিদ্যালয় A1 ইউনিট : 2012-2013