✔ 最佳答案
Simply stay calm and answer all the questions. If you cannot hear the question or do not understand. Please tell the interviewer frankly to repeat the question once again.
If you have no idea or do not know the answer. Please tell the interviewer that you have no idear or do not know but never keep your mouth shut and get anxious.
Duration of interview does not matter much. Simply stay calm and be polite when you answer questions.