---Icalledyoulastnight,butnooneanswered.---Sorry,I
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问题详情:
--- I called you last night, but no one answered.
--- Sorry, I _______ sleeping.
A.must have been
B.would have been
C.must be
D.could be
【回答】
A
【详解】
考查情态动词和时态。句意:——昨晚我给你打电话了,但没人接。——对不起,我一定是睡着了。分析可知,前文提及打电话无人应答,后文解释原因:肯定当时在睡觉。must have been doing表示肯定当时正在做某事,符合语境要求。C项must be doing表示肯定现在正在做某事,与语境不符。故选A项。
知识点:过去完成进行时
题型:选择题
标签:
SorryI
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