1, what you need to do now is not to think about how to answer the teacher's questions well, what you need is to adjust your mentality.
2. Think about it. When you enter the society and work, you may face many problems every day. Even if no one asks you a question, you should consider how to solve it. So now the teacher's question can be regarded as the training of his own thinking.
At the beginning, there may be resistance. You can use psychological hints. It is very beneficial to think that every question asked by the teacher is a training for your thinking.
4, and in fact, many people are similar to your current psychological situation, which shows that this is a normal person and there is no need to panic. As long as you can overcome this, you are much taller than ordinary people.