Fifteen months ____ not a long time ,but fifteen months

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Fifteen months ______ not a long time ,but fifteen months ______ passed since we met last time.
第二空是has吧?

Fifteen months __is____ not a long time ,but fifteen months __have____ passed since we met last time.
没有给选项根据意思前空是is 后空是have
再问：为什么后一空填have？
再答：因为日子要一天天过所以具体的15个月是复数表示动作的谓语也要用复数与前面表示概念的15个月用法不一样所以是 have passed

Fifteen months ______ not a long time ,but fifteen months __ Two months is quite a long time. 完形填空 I was fifteen months old,a happy kid until the day i fe 英语翻译I was fifteen months old,a happy carefree kid ...until t 英语翻译I was fifteen months old,a happy kid until the day Ifell 英语翻译I was fifteen months old,a happy carefree kid...until th Ten months ________ quite a long time,but we'll meet again s Three months ________ a long time for me. ---Hi,Peter!Long time no see.---I __ it nearly five months s 以I was fifteen months old 开头的完型填空的答案 My eyes were badiy hurt when I was fifteen months old.的意思是什么 Four months __ passed by since we met last time.Four months