问题描述：
老大：哪句意思不同 A. He's sure to come B. I'm sure that he C. I'm sure of D. He's sure t
哪句意思不同
A. He's sure to come B. I'm sure that he will come
C. I'm sure of his coming D. He's sure that he will come
哪句意思不同
A. He's sure to come B. I'm sure that he will come
C. I'm sure of his coming D. He's sure that he will come
问题解答：
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