Sắp xếp lại cậu:
use / People / their teeth. / toothbrushes / to clean
=> People use toothbrushes to clean their teeth.
People use toothbrushesto leantheir teeth .
Sắp xếp lại cậu:
use / People / their teeth. / toothbrushes / to lean
...People use toothbrushes to clean their teeth....