【题目】My parents walked the pet dog several times a day, getting exercise they otherwise_________.
A. wouldn’t have B. wouldn’t have had C. didn’t have D. hadn’t had
在线课程【答案】B
【解析】
考查虚拟语气。
句意为：我的父母一天遛狗多次，从而得到了锻炼，否则不然的话他们才不会锻炼。根据句子的谓语walked可知后半句是与过去事实相反的假设，主句用would have done，所以B正确。