题干

Two people in South Korea survived ________ by a sinkhole suddenly occurring in their courtyard.
A.swallowingB.being swallowed
C.to swallowedD.swallowed
上一题 下一题 0.64难度 单项选择 更新时间:2015-06-17 10:09:06

答案(点此获取答案解析)