问题
选择题
—When the hero was _______, he was killed by his enemy.
—What a pity. [ ]
A. in his fifty
B. on his fifty
C. on his fifties
D. in his fifties
答案
答案：D
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—When the hero was _______, he was killed by his enemy.
—What a pity. [ ]
A. in his fifty
B. on his fifty
C. on his fifties
D. in his fifties
答案：D