BBC Compacta is a comprehensive English language learning program that offers interactive multimedia materials for learners of all ages. To aid in the learning process, the program includes practice papers designed to help learners evaluate their progress and identify areas for improvement. Here is a guide to solving the BBC Compacta practice paper:

Instructions
1. Before attempting the practice paper, ensure that you have a clear understanding of the concepts covered in the lesson.
2. Set a timer to keep track of the time taken to complete the paper.
3. Read each question carefully before attempting to answer it.
4. Write your answers in clear and concise language.

Tips for Solving the Practice Paper
1. Start with the easier questions and move on to the more challenging ones.
2. Answer all the questions you know first before attempting the ones you are unsure of.
3. Pay attention to the time and ensure that you allocate enough time for each question.
4. Use proper grammar, spelling, and punctuation in your answers.

Scoring the Practice Paper
1. After completing the practice paper, use the answer key provided to grade your paper.
2. Count the number of correct answers and use the grading scale provided to determine your score.

Conclusion
Solving practice papers is an essential part of the learning process as it helps learners evaluate their progress and identify areas for improvement. By following the instructions and tips provided in this guide, learners can effectively solve the BBC Compacta practice paper and improve their English language skills.

What problem is Ian Wilmut referring to here?