如图所示，以8m/s匀速行驶的汽车即将通过路口，绿灯还有2s将熄灭，此时汽车距离停车线18m．该车加速时最大加速度大小为2m/s²，减速时最大加速度大小为5m/s²．此路段允许行驶的最大速度为12.5m/s，下列说法中正确的有（   ）

根据句意及汉语提示完成单词

①It's i____ to smoke in some indoor public space and special outdoor work space.

②The teacher came in while Tom was d____ litter on the floor.

③Please be c____ next time. Don't make the same mistakes again.

④The English program can s____ ways for us to take an interest in learning English.

⑤If you study hard, you can make great p____.