.―I don't know whyTom was absent from yesterday's meeting.―He must have been sick,___．―,______?A．isn'the B．wasn'the C．didn'the D．mustn'the我要详细的解析和相关知识点的详解
问题描述：
.―I don't know whyTom was absent from yesterday's meeting.―He must have been sick,___
．―,______?A．isn'the B．wasn'the C．didn'the D．mustn'the
我要详细的解析和相关知识点的详解
答
为你提供精确解答对过去的推断.反意疑问句用过去时态.因为有表示过去时间点的词yesterday.have been sick的过去时态是was sick.故选【B】wasn't he?翻译：我不知道为什么汤姆没有出席昨天的会议.他肯定是生病了,不是...