单选题
专四
2014-02-26
If we __________ the oil company to build this paper mill, we __________ water pollution now．
A．had not allowed, would not have
B．had not allowed, would not have had
C．didn't allow, would not have
D．didn't allow, would not have had
参考答案
A
答案解析
A。如果当初我们不同意石油公司建这个造纸厂，现在就不会有水污染的问题了。考查虚拟语气。本句是交错时态句。前半句是对过去事实的虚拟假设，需用过去完成时。后半
句是对现在事实的虚拟假设，需用would d0结构，故本题选A。
句是对现在事实的虚拟假设，需用would d0结构，故本题选A。
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