Don"t talk _____ (loud) in the meeting room.请写原因

Don"t talk _____ (loud) in the meeting room.请写原因
Don"t talk _____ (loud) in the meeting room.请写原因

Don"t talk _____ (loud) in the meeting room.请写原因
loud和loudly都可做副词,意为“大声地,响亮地”
loud 常修饰talk speak laugh.
loudly 常修饰ring knock.
所以用loud.