How to reply to the email of doctoral supervisor?

1, which means that the tutor can accept it as long as he passes the initial test and the second test. 2. Reply to two points: First, thank the tutor for his reply and encouragement in his busy schedule; Second, I said that I am fully preparing for the exam and strive to be admitted. 3. Generally speaking, it is definitely not appropriate to find a tutor for the professional course textbooks of the initial test, because the test is for future research, and the preparation for the test itself reflects the ability of learning and research, not to mention that even if the requirements are not given, it may be bad.