I listened carefully but I heard

39.I listened carefully,but I heard . I listened carefully but I heard 改错I listened carefully,but nothing heard. I listened carefully but I heard anything.（改错） I listened carefully but I heard nothing各个单词在句中起什么成份? 找错i heard but i listened nothing I listened carefull ,but I heard ______(something) I ( ) but ( ) nothing.A.heard,heard B.listened to,heard C.li I listened but heard nothing.这句话中 but heard nothing应该不是宾语从句吧 I listened carefully but I couldn't hear anything（同义句转换） I listened but----------(hear) nothing. I always______the teacher carefully,but I