B1:
<p>Các e quay 1 video ngắn….</p>
Unit6: thì quá khứ
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<p>Các e quay 1 video ngắn….</p>
<p>dffjgfh</p><p>dfgfkhkfgh</p><p>fdfhfghg</p><p>fgfhgfh</p><p>fhghkg</p><p> </p>