----- Nội dung dịch tự động từ ảnh ----- II. There is mistake in the four underlined parts of each sentences. Find the mistake. 1. The apartment was hot when I got home, so I was turning on the air conditioner. 2. We are waiting for Mike for the last two hours, but he still hasn't arrived. 3. Tom wants to get married, but he doesn't meet the right person yet. 4. By the end of the 20th century, scientists have discovered the cure for common cold. 5. I saw that movie three times, and now I want to see it again.