题目内容
The city ________ 6 billion yuan to preserve the character of the old town, mainly
to divert water from the Taihu Lake and the Yangtze River to supply the waterway systems of the old town.
A．invested B．proved C．invaded D．invented
A
【解析】A [invest“投资”；prove“证明”；invade“侵略”；invent“发明”。]
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