摘要： People are puzzled they read the book. A. the first time B. at the first time C. for the first time D. at first
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People are puzzled ________ they read the book.
A. the first time B. at the first time C. for the first time D. at first
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People are puzzled ________ they read the book.
A. the first time B. at the first time C. for the first time D. at first
查看习题详情和答案>>People are puzzled _____ they read the book.
A. the first time B. at the first time
C. for the first time D. at first
查看习题详情和答案>>