IV. Choose the underlined word or phrase that needs correcting. 20. There are only a little seats left for the concert on Saturday. 21. Our teacher told that the, sun rises in the east. 22. We have spent a lot of time to discuss the problem but can not find any solutions. 23. I sometimes wonder where is she now and what she is doing.

Cách làm:
- Đọc từng câu một và tìm lỗi sai trong việc sử dụng từ ngữ, ngữ pháp, cấu trúc câu.
- Xác định từ hoặc cụm từ cần sửa lỗi.
- Chỉnh sửa lỗi sai để câu trở nên đúng ngữ pháp.

Câu trả lời:
20. There are only a few seats left for the concert on Saturday.
21. Our teacher told us that the sun rises in the east.
22. We have spent a lot of time discussing the problem but cannot find any solutions.
23. I sometimes wonder where she is now and what she is doing.