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.
6. Last night, I have had dinner with two friends. I have known both of them for a long time.
7. My brother wants me to change the job and I am thinking he is right.
8. So far this weekend, the teachers are giving us a lot of homework every day.
9. There are more than 40 presidents of the United States since it became a country.
10. By the time he left the office, he have attended three meetings.
Loga
Sinh Học lớp 12
