It is （不礼貌的） to push in before others while waiting for the bus．
It'll take about two days to finish the project if everything goes （顺利地）．
The Chinese government has done a lot to control plastic （污染） in big cities．
Have you read the report？ Those （英雄） stories really touched me deeply．
Many Chinese people had to （取消） their trips in February because of COVID﹣19．