If I hadn’t stood under the ladder to catch you when you fell, you ________ now. ( 章节：3 难度：3)
- A、wouldn’t be smiling
- B、couldn’t have smiled
- C、won’t smile
- D、didn’t smile
正确答案:A
答案解析:有
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If I hadn’t stood under the ladder to catch you when you fell, you ________ now. ( 章节：3 难度：3)
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