Rather than _________for the love of music, nowadays more and more singers attach great importance to _________rich and famous by singing.

A．sing；becoming

B．sing；become

C．to sing；become

D．to sing； becoming

进入生产、储存易燃易爆危险物品的场所，必须执行国家有关（）的规定。

A.行业

B.法规

C.安全管理

D.消防安全