.―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
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.―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
.―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
.―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
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,不是吗?
他肯定是生病了,这是对昨天没有出席会议的肯定猜测,是对【过去】的肯定句反义疑问,所以要用过去式.was.
mustn't 是【禁止】的意思.
系动词不能用助动词代替.
I don't know.
“i don't know you know i don't know
sorry,I don't know.
i don`t know much
I don't really know.
英语;I don't know
I don't know miss
I don't know him.
I don't know now
翻译 i don't know
So know,I don't
I don't know her
i don't know anything
I know enough to know that I don't know
i don't know what i
I don't think I know you
I don’t no I don't know
I don't knw I don't know翻译中文,