A-A+
______ those bad habits he would not have got
问题详情
______ those bad habits, he would not have got liver cancer.
A．Was he giving up
B．Did he give up
C．If he gave up
D．Had he given up请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析：这句话用的是过去虚拟语气，主句用would have done，条件从句用if… had done。而if可省略，把had提前放到句首。注意：下表是虚拟语气的基本结构：
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