AIDS(acquired immunodeficiency syndrome) 发布时间:2017-07-25 16:13 │ 来源:www.tikuol.com 题型:名词解释 问题: AIDS(acquired immunodeficiency syndrome)
题型:名词解释 I _____ his telephone number. Had I known it, I would have rung him up.A.don’t knownB.didn’t knowC.hadn’t knownD.haven’t known 查看答案