CHOOSE THE BEST ANSWER FOR EACH OF THE FOLLOWING SENTENCES.

29. - TIẾNG ANH ÔN THI CAO HỌC HOT
Tiếng Anh TIẾNG ANH ÔN THI CAO HỌC HOT
29. Unfortunately, I don’t know Philosophy, so I can’t answer your question. A. If I know Philosophy, I can answer your question. B. If I know Philosophy, I will be able to answer your question. C. If I knew Philosophy, I would be able to answer your question. D. If I had known Philosophy, I would have been able to answer your question.