Great changes____in Shanghai since 1990A took place B are taken place Chave taken place D have been taken place

问题描述:

Great changes____in Shanghai since 1990
A took place B are taken place Chave taken place D have been taken place

C

答案:C
解释:since + 时间点,与现在完成时连用,所以排除AB.再者,take place 没有被动语态,所以排除D答案.正确答案是C.
翻译:自从1990年以来,上海发生了很大的变化.
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