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23. Everybody _____ in the hall where they welcomed by the secretary. A. assembled B. piled C. joined D. accumulated [assemble] assemble 聚集 assembly line 装配线 semblance 外表 resemble 相似，相像 take after 与某人长得像 [/assemble] [pile] pile 堆积 compile=put together 编辑，汇编 [/pile] [accumulate] accumulate 积累 cumulus 积雨云 cumulative 积累的，渐增的 [/accumulate] | 
