Da Mao and Er Shun are two pandas that have lived in Canada since 2014． They were going to stay there until 2023． However， they will be taken to China（1） （early） than planned．
They are now living in the Calgary Zoo in Canada． （2） May 12， the zoo said that it was going to send the two pandas back to China． This is because the zoo can't get enough bamboo for （3） （they）， Global News reported．
Because of COVID﹣19 travel restrictions （限制）， it has become more challenging for the zoo to get bamboo． According to the zoo， （4） adult panda eats around 40kg of bamboo a day．
（污染） is becoming more and more serious with the rapid development of industry．
I used to （收集） stamps， but now I like drawing．
This APP is quite （有用的） for the students to learn English．
As we all know， everyone is （天生的） with the ability to learn．