题目内容
We live day by day, but in the great things, the time of days and weeks _________ so small that a
day is unimportant.
A. is B. are C. has been D. have been
A

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题目内容
We live day by day, but in the great things, the time of days and weeks _________ so small that a
day is unimportant.
A. is B. are C. has been D. have been
A