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题目内容
（佳木斯大学语言治疗学）
h his parents. They_____ back itwo weeks.( )·have gone; will come
·has gone; will come
·have been; have come
·have been; come
参考答案
h his parents. They_____ back itwo weeks.( )·have gone; will come
·has gone; will come
·have been; have come
·have been; come
