单项选择题

Without computers, much of the advanced technology （）.

A．would not be achieved
B．would not be achieve
C．haven't achieved
D．would not have been achieved

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单项选择题
（） a satisfactory answer, so he had to write to them a gain.

A．As he hadn't received
B．Not having received
C．Having not received
D．He hadn't received
单项选择题
One of the two women in the room is my aunt, and （） is a friend of

A．the other, hers
B．another, her
C．other, her
D．other, hers
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