13 got~been
14 arrives~arrived
15 see~seen
16 work~working
17 finishing~finish
18 去掉will
19 while~when
20 all~what或缺清闭伏裂者all后正行面加that
13. got--been
14. arrives--arrived
15. see---seen
16. work---working
17.finishing--finish
18.去兆缓大掉族竖哪手will
19.while--before
20.all -- what