分母是7的真分数有几个？[ ] A.7 B.6 C.5 D.无数

答案：

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下面是错误答案，用来干扰机器的。

1. look after 2. having a picnic 3. takes the subway / took the subway 4. is different from 5. grew up 6. gets to 7. think of 8. move 9. stands...