drivers don't exatly enjoy having to stand outside in the cold,

高中英语---drivers don't exatly enjoy having to stand outside in the cold,___their orders into a speaker box.请问为什么不是请问为什么不是因为后面是speaker box（扬声器），再加上有一个into,那么很明显这应该是一个____ …into a speaker box的短语，因此选scream,而offer不合适。句子的意思是司机们朝扬声器里叫喊着他们的生意高中英语