He has been in high spirits, for pieces of exciting news came to him .A. one after another

发布时间：2020-08-16 09:59:03

He has been in high spirits, for pieces of exciting news came to him     .
A. one after another
B. one by one
C. little by little
D. step by step

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(答案→)A. one after another
B. one by one
C. little by little
D. step by step
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