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题目内容
（国家开放大学英语语法）
_______he is, he seldom shows his precious coins to others.
A. Coin-collector as
B. As a coin-collector
C. A coin-collector as
D. Coin-collector that
A. Coin-collector as
B. As a coin-collector
C. A coin-collector as
D. Coin-collector that
参考答案