A-A+ They were asked to avoid () any water which had not been boiled.A. drinkingB. to drinkC 2020-09-28 01:03:56 学历考试 阅读 问题详情 They were asked to avoid () any water which had not been boiled.A. drinkingB. to drinkC. havingD. not to be drunk 参考答案 查看解答