问题描述：
must would
Jack describe his father, who----a brave boy many years ago, as a strong-willed man.
A.would be B. would have been C. must be D. must have been
Jack describe his father, who----a brave boy many years ago, as a strong-willed man.
A.would be B. would have been C. must be D. must have been
问题解答：
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