—How do you go to school?  

—My home is next to the school, so I usually _________ to school.        [ ]

A. walk   

B. take a bus      

C. ride a bike    

D. take a taxi

“三不动火”即没有动火证不动火、（）不落实不动火和监护人不在场不不动火.

A.防火措施

B.置换

C.动火报告

D.动火人