高中英语选择题. The project, ________ in 2009, has expanded the city’sThe project, ________ in 2009, has expanded the city’s cellphone network to coverone million users.A.accomplished C. to be accomplishedB. being accomplished

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高中英语选择题. The project, ________ in 2009, has expanded the city’sThe project, ________ in 2009, has expanded the city’s cellphone network to coverone million users.A.accomplished          C. to be accomplishedB. being accomplished

高中英语选择题. The project, ________ in 2009, has expanded the city’sThe project, ________ in 2009, has expanded the city’s cellphone network to coverone million users.A.accomplished C. to be accomplishedB. being accomplished
高中英语选择题. The project, ________ in 2009, has expanded the city’s
The project, ________ in 2009, has expanded the city’s cellphone network to cover
one million users.
A.accomplished C. to be accomplished
B. being accomplished D. having accomplished
为什么选A,不应该是having been accomplished吗
accomplished 不是发生在主句之前吗,难道不应该用having been done ?

高中英语选择题. The project, ________ in 2009, has expanded the city’sThe project, ________ in 2009, has expanded the city’s cellphone network to coverone million users.A.accomplished C. to be accomplishedB. being accomplished
这是一个从句啊 而且省略了许多
The project,___which was _accomplished ____ in 2009,has expanded the city’s cellphone network to cover
省略 主语和be动词
这里不需要用完成时 他只是陈述一个过去的事实 就是 2009年建好的 完成的工程 强调以前建成就可以了
这里你说的主句 用的是 现在完成时 你只要用过去式就可以了 二者时态不一定是层层递进的