-Well,Bob,what a surprise!It's nice to you again!-Hello,Ann!How long has it been?Wasn't it a year ago at Christmas,___ I saw you?A.when B.the last time 为什么不能选A.请赐教! 答案 在这里是一种语境!说话人想表达的是好长时间没见,上一次是什么时候见的.想表达的是间隔的时间.尽...
根据对话内容.从对话后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项. Ann: Well, Bob, what a surprise! It's nice to see you again! Bob: Hello, Ann! 61 Wasn't it a year ago Christmas, the last time we saw you? Ann: You know, I think you're right