On his desk is a (mass) of books and papers.
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Please accept this little gift as a (souvenir).
A. 宝物
B. 礼物
C. 纪念品
D. 玩具
After twenty hours on the boat, they arrived at their (destination).
A. 出口
B. 目的地
C. 入口
D. 前门
There are two key factors behind this (trend).
A. 迟到
B. 鼓励
C. 称赞
D. 趋势
From a (practical) point of view, it isn't a good place to live.
A. 老旧的
B. 传统的
C. 信任的
D. 实际的