单选题
You screamed in your sleep last night. You ______ a terrible dream.
A、
must have had
B、
must have
C、
must had had
D、
must have been
【正确答案】
A
【答案解析】
[解析] “must have done”结构表示对过去情况的肯定推测，意为“一定是……”，符合句意。故选A。
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