I would have come sooner but I _________ that you were waiting.
Adidn"tknowBdon"tknowChadn"tknownDhaven"tknown为什么选A,请详细解释一下,谢谢...
A didn"t know B don"t know C hadn"t known D haven"t known
为什么选A,请详细解释一下,谢谢 展开
为什么选A,请详细解释一下,谢谢 展开
2个回答
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询