题干

No one will be sad because humans will have learnt to fix many of the problems that affect us now, like war, pollution and hunger, ________ ?
A.will theyB.will heC.won’t heD.won’t they
上一题 下一题 0.64难度 单项选择 更新时间:2013-04-09 09:45:10

答案(点此获取答案解析)