Chapter 1870

unsuccessful. There were many problems during the research and development process. Several experts researched until dawn, while Ou Yan went home very late to avoid worrying her parents, and rushed t...This person has been chattering in her ear, it's so annoying!!

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What kind of person is this, so cruel...o do and shouldn't reveal their identities too soon.Of course, that's also what Yan Yan means.The headmaster thought for a moment, then hurriedly pulled out a cell phone from his pocket and handed it...