the knowledge began to be accumulated according to a systematic plan请问这句话 为什么accumilated 不用ing形式

the knowledge began to be accumulated according to a systematic plan请问这句话 为什么accumilated 不用ing形式 The International Knowledge the most knowledge解释 Our knowledge of computer.growing all the time .A、be B 、 is C 、 are D、 wereEveryone except Tom and John .there when the meeting began .A 、is B、was C、are D、were knowledge 请问the knowledge 和 a knowledge 有什么区别 what the story began为什么不用how the story began The roof began to give. The book is a b_____ of knowledge. to the best of our knowledge是什么意思 the richer knowledge you will get Our knowledge grows and the u-------- develops. in the ear of knowledge explosion the knowledge of science is based on? what is the knowledge according to Plato? to the best of our knowledge是什么意思 翻译成中文:the bridge to knowledge knowledge前需要加the吗