应该加强()意识,定期为地板家具和其他表面用消毒液擦洗或冲洗。
A.清洁
B.杀菌
C.消毒
D.选项A、B和C
参考答案:C
All of us always believe what Sam says. He is honest boy.
A.a
B.an
C.the
D./