n the past ten years ,there _has been __ great changes in our family life
A has been B have been C are D is
选A.
一般in the past ten years 出现,句子应该用完成时.在过去的几年里,已经发生了巨大变化.题中there 后使用has.
n the past ten years ,there _has been __ great changes in our family life
A has been B have been C are D is
选A.
一般in the past ten years 出现,句子应该用完成时.在过去的几年里,已经发生了巨大变化.题中there 后使用has.