PREVIEW
... r three full hours, 30 students did not make a sound other than content interaction.
His eyes are full of desire for knowledge, it is a logical thinking about changing the question type, and it is also a dialectic for his own learning.
Facts have proved that online learning alone is not enough, and the part about extension is fragmented;
As for the recording and broadcasting class, it itself limits a range, and it is impossible to follow the teacher's rhythm completely ...
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