二、語法與用法 (11~20 題,選出最適當的選項)【題組】11. John has a large collection of stamps, _______ I've never seen bef
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二、語法與用法 (11~20 題,選出最適當的選項) 【題組】11. John has a large collection of stamps, _______ I've never seen before. (A) many of them (B) many of which (C) many of whom (D) many of what