英语改错题：
1.Tom and Mike study in our school.
2. The students leave the school at five in the evening.
3 The Hefei of 1949 was far smaller than the Hefei of today.
4.The water in this glass has now turned yellow.
5.Some women never eat fish.
6.He is an officer in the army. == He's an army officer.
7.Last Sunday, it was Class Five's turn to visit the History Museum.