摘要： 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 答案 A 解析 句意为:--几天和几周的时间是如此的渺小.以致于一天根本微不足道.本句用来陈述事实.用一 般现在时态,空白处所在句子的主语是the time.谓语动词应用单数形式.

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