Ever since I went to the chemistry teacher''s office, I will always be called to the office at recess in the next week to do some problems.

    As soon as you go in, you can see four students sitting on a table with their heads down quietly.

    Another week, the time for chemistry competition is getting closer and closer.

    They were so anxious to leave the office for another four hours.

    The day was over in the afternoon.

    Still in the chemistry teacher''s office, four top students of chemistry were sitting on stools with their heads down.

    #Twenty minutes later,

    Su Yan licked the corner of his lip and looked up at the scenery outside the window.

    Look at her test paper has been basically finished, only the last big problem has not been finished yet.

    Su Yan is very good. Basically, whenever the chemistry teacher says to tutor, she will come.

    Although... Every tutor doesn''t work for her.

    And it takes her longer and longer to finish a test paper.

    It''s not that the topic is getting more and more difficult, it''s because I''m not allowed to leave even after I finish it.

    And every time the other three people haven''t finished their multiple-choice questions, she has solved the most difficult problem, Xiaohua said. It''s easy to blow other people''s self-confidence, so she slowed down.

    Su Yan sat in a daze, and after another 15 minutes.

    A soft female voice

    "I''m done."

    The speaker glanced at Su Yan and saw that she had not finished her test paper, and a light of victory flashed in her eyes.

    The girl''s name is Gu Zhi.

    According to the chemistry teacher, he is the first in Yuan Xinlin''s class.

    There are three places in DIDU high school for the chemistry competition.

    Originally, all the candidates have been decided, namely Gu Zhi, Yuan Xinlin, and Zhao Sen.

    Who knows, nearly a month and a half to kill a su smoke.

    If one more person comes, one more person will quit.

    All three people except Su Yan understand the fierce competition.

    They all screamed in secret.

    The four of them tutored in the chemistry teacher''s office for two weeks. For the first time, Gu Zhi was faster than Su Yan.

    For Gu Zhi, this is more happy than any reward.

    Su Yan heard the voice, back to God, eyes slowly shifted to Gu Zhi.

    They look at each other.

    Gu Zhi gives Su Yan a smile and makes people happy.

    Gu Zhi''s dress, as well as the feeling of speaking, is very similar to Su Yan.

    Shoulder length black hair, small palm face, eyebrows, eyes, nose, and mouth are all small and can''t help caring.

    Plus she''s very gentle.

    If you are not familiar with it, it is easy to misunderstand Su Yan and Gu Zhi as sisters.

    However, the undercurrent between the two people did not stop after the first day of meeting.

    Er... It may also be Gu Zhi''s unilateral competition.

    Gu Zhi opened her mouth slowly, and her voice was like a spring breeze

    "this time, it''s a little faster than you."

    There was a lovely smile on his cheek.

    Su Yan took out a strawberry milk candy, peeled it open and ate it in his mouth.

    Then nodded obediently,

    "en"

    after a while, the chemistry teacher came in.

    See four people to do the questions are almost done, will be a reference answer to the four people in the middle.

    "Check the answers when you''re done."

    When talking, it''s a bit gloomy outside. It looks like rain.

    Su Yan''s attention is not on this question at all, but on the outside sky.

    No umbrella.

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