题目内容
When you got lost in the forest, I guess, you_______ very frightened.
A. must be B. must have been C. should D. should have been
B must have been very frightened 表示“过去一定很害怕”。
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题目内容
When you got lost in the forest, I guess, you_______ very frightened.
A. must be B. must have been C. should D. should have been
B must have been very frightened 表示“过去一定很害怕”。