Please fill in the blanks with one missing word based on your notes of the video.Giving ___1______ ,____2______ and _____3________homework, _____4_____ between students and teachers and parents and teachers, doing all of these tasks ___5____has now become the ____6____ in China.For Ed-Tech companies, now is also a beginning of their _____7____ to smart education. For instance, smart education functions that ____8____ _____9_______in grading homework and school-home ___10_____ will remain ___11_______ even after students return.