收藏物品相关词汇 — 英语填空题
题目
Amy从世界各地收集明信片（postcards），Ben收集硬币（coins），Cindy收集贝壳（shells）。请根据语义和词汇知识，用括号内单词的正确形式补全句子：Amy has collected more than two hundred ___ (postcard) from ten countries, while Ben's ___ (coin) collection is famous for some old Chinese ones, and Cindy keeps her beautiful ___ (shell) in a wooden box.