QUESTIONS 71 – 75. MARK THE LETTER A, B, C, OR D ON YOUR ANSWER SHEET...

Câu 71: I didn’t know you were coming, so I didn’t wait for you. A. If I had known you were coming. I would for you. B. I would have waited for you if I knew you were coming C. Had I known you were coming, I would have waited for you. D. If I had know you were coming, I would have waited for you.