【用戶】牛奶
【年級】高三上
【評論內容】(A)proper adj.適合的，適當的He wondered whether it would be proper to knock at her door. 他不知道敲她的門是否恰當。(C)teller n.[C]敘述者；講故事者；【美】（銀行）出納員Grandma was a good teller of stories. 奶奶很會講故事。