题干

We gave away bulletins door to door to call on people to help others warm-heartedly, only ____to have a drink from time to time.
A.to stopB.stoppingC.stoppedD.having stopped
上一题 下一题 0.64难度 单项选择 更新时间:2013-10-24 09:29:11

答案(点此获取答案解析)