I can't hear you 后加什么词性?形容词?副词?

I can't hear you 后加什么词性?形容词?副词? 副词加形容词构成什么词性? i'm afraid i can't hear you和i can't hear you 有什么区别么 I can’t hear you.请翻译, Speak l____,I can't hear you Don't s__________,I can hear you I can answer the question后用副词还是形容词? can i后面加什么词性 Would you speak louder?I can't hear you. 填空题 Can't you hear ___?--No,I can't hear __ . I'm afraid I can't hear anything for you i`m afraid i can`t hear you