题目内容
Quite a few people used to believe that disaster___________ if a mirror was broken.
A. was sure of striking
B. was sure of having struck
C. was sure to be struck
D. was sure to strike
提示:
因be sure of/about为“对……有把握,确信”的意思,而且主语通常为人,而be sure to do表示“一定会,必然”,表示局外人的推测。由本句语意可知to be sure后需用不定式主动式。
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