Not until in the river how serious the pollution was．( )A．did all the fish died.did the villagers realizeB．all the fish died, the villagers realizedC．all the fish died, did the villagers realizeD� 题目和参考答案——青夏教育精英家教网—

1．Not until _________ in the river _________ how serious the pollution was．（　　）

	A．	did all the fish died，did the villagers realize
	B．	all the fish died； the villagers realized
	C．	all the fish died； did the villagers realize
	D．	did all the fish died； villagers realized

分析直到河里所有的鱼都死了村民才意识到污染问题的严重性．

解答答案：C
not until 位于句首用半倒装，not…until…"直到…才…"，它的倒装是把not until一起放到句首，再加上until后面的句子，然后跟倒装部分（比如借助助动词be或do、does之类的，也可以提前情态动词）+not后面的部分．原句应该是 The villagers didn't realize how serious the pollution was until all the fish died．直到河里所有的鱼都死了村民才意识到污染问题的严重性．

点评解答该类题时，首先要对选项用法有深刻的了解．确定它们各自不同于另外三项的用法，再结合选项，将其带入句中，一般语意逻辑通顺，即为正确答案．

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