24. (2018天水)There was so much noise outside that the teacher couldn't make herself ________．
A. hear  B. heard  C. to hear  D. hearing
24. B【解析】考查过去分词。句意：外面的噪音太大了以至于老师无法让自己的声音被听到。make＋sb.＋done，表示“使某人被……”，根据语境及选项可知是使自己被听到，用过去分词heard。故选B。