As COVID-19 gets worse in Japan, many companies are taking steps     1    （reduce） the chances of infection. Recently teachers of Tokyo COSMO School has used Chinese office software to hold video conferences with the students. With the     2    （arrive） of a minor vacation in Japan, the teachers have used it to remind the students     3     self-protection and planned to open long-distance teaching through it.

    4     is reported that DingTalk is Alibaba's free intelligent mobile office platform, playing     5     huge role in telecommuting and teaching of Chinese enterprises and schools during the outbreak. It currently covers 10 million     6    （business） in China and has 200 million users. During the outbreak, more than 50 million Chinese students attend classes online through DingTalk.

DingTalk     7    （ apply） for more than 2 years in Tokyo COSMO School, and has greatly improved its management. During COVID-19, DingTalk can help us deliver     8    （late） news to the students at the first time,     9     is very efficient and convenient, ” said the school's principal, Tetsuya Matsuka. In order to prevent COVID-19, the long-distance teaching can be opened through the DingTalk at any time     10    （ base） on needs, so that more than 300 students can attend classes at home.