A:I didn't realize that you were in town. 我不知道你到本市来了. B:I came in last night. 我昨晚才到. A:Great!How was the drive? 很好,一路行车还好吗? B:No problems. 没有问题. A:What time are you going to the game? 你什么时候要去看球赛?
B:I'm not. I didn't have any money. 我不去看.我没有钱. A:Tickets don't cost anything. 票是免费的. B:Oh,I didn't realize that tickets were free. 噢,我不知道票是免费的. I didn't realize what had happened. I didn't realize that tickets were free. 我不知道发生了什么事. 我不知道票是免费的. I didn't realize that you were in town. I didn't realize that you had a birthday. 我不知道你到本市来了. 我不知道你过生日.