题干

It was the hotel waiter that helped the guest be relieved of her pain with his special medical skill. Without his help, she    so quickly.
A.can’t recoverB.mustn’t have recovered
C.couldn’t have recoveredD.couldn’t recover
上一题 下一题 0.65难度 单项选择 更新时间:2014-09-19 04:16:44

答案(点此获取答案解析)