Standing in the National Speed Skating Oval，China's former speed skating world champion Wang Beixing had mixed emotions.She was jealous of those young athletes who had the chance （1）
to skate
to skate
（skate） on the new rink（溜冰場）．And she felt very glad as the testing program in the venue，（2）
known
known
（know） as the "Ice Ribbon"，was going as smoothly as the athletes skated on the gleaming ice.
Following the （3）
successful
successful
（success） testing program on snow in February，the "Experience Beijing" ice sports testing series for the Beijing 2022 Winter Olympics and Paralympics，（4）
consisting
consisting
（consist） of five Olympic events and two para events，got underway （5）
between
between
April 1 and 10 in five different competition venues，including the National Speed Skating Oval（6）
where
where
the 36-year-old Wang Beixing works as the stadium's sports director.
"The testing program in the 'Ice Ribbon' had three （7）
priorities
priorities
（priority）.First is the ice.We need to make sure the ice will be （8）
of
of
perfect quality during the Winter Olympics，" Wang said. "The second would be the competition facilities including the safety cushions，training equipment and so on，which （9）
are
are
（be） mostly relevant to the athletes，and we want feedback from them."
"Thirdly，we also need to drill on the operation teams，" she said. " （10）
Certainly
Certainly
（certain），I feel very glad because the competition went well and I am satisfied with the result of the rehearsals."
