题目内容
Quite a few people used to believe that disaster ________ if a mirror was broken.
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解析:
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be sure to 主语为人/物;be sure of主语为人。 |
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题目内容
Quite a few people used to believe that disaster ________ if a mirror was broken.
[ ]
|
be sure to 主语为人/物;be sure of主语为人。 |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||