Dưới đây là các câu với lỗi sai được chỉ ra và các câu đúng được đánh dấu:

1. isn’t high; in fact only a fifty percent of candidates
- **Lỗi sai:** "a fifty percent" nên sửa thành "fifty percent".
- **Sửa lại:** isn’t high; in fact only fifty percent of candidates

2. actually pass. Secondly, it’s very expensive to do the course and
- **Đúng.** ✅

3. exam. It costs at $1,500 and you need to take three months off
- **Lỗi sai:** "costs at $1,500" nên sửa thành "costs $1,500".
- **Sửa lại:** exam. It costs $1,500 and you need to take three months off

4. the work. Thirdly, it’s quite stressful. Before you can sit the final
- **Lỗi sai:** "the work" nên sửa thành "work".
- **Sửa lại:** work. Thirdly, it’s quite stressful. Before you can sit the final

5. practical and written exams you must have been written ten
- **Lỗi sai:** "have been written" nên sửa thành "have written".
- **Sửa lại:** practical and written exams you must have written ten

6. compositions and have had ten lessons observed which are being
- **Lỗi sai:** "are being" nên sửa thành "are considered".
- **Sửa lại:** compositions and have had ten lessons observed which are considered

7. considered to have been of a high enough standard. In addition
- **Đúng.** ✅

8. to all these points, I want to make certain I have enough of the
- **Đúng.** ✅

9. right kind of teaching experience to pass through before I attempt
- **Lỗi sai:** "pass through" nên sửa thành "pass".
- **Sửa lại:** right kind of teaching experience to pass before I attempt

10. the exam. It’s lots of money to waste if you’re not all sure of passing
- **Lỗi sai:** "not all sure" nên sửa thành "not at all sure".
- **Sửa lại:** the exam. It’s lots of money to waste if you’re not at all sure of passing