There are no dancers that aren't slim and no singers that aren't dancers. Therefore, all singers are slim.
举一反三
- There are some books,? A: aren’t there B: aren’t it
- There _____ much water _____ the bottle. A: isn't; on B: isn't; in C: aren't; in D: aren't; on
- _____________ a restaurant in the hotel, but ___________ some good ones opposite it.: There are, there aren't|There aren't, there is|There is, there isn't|There isn't, there are
- What’s the problem with so-called “traditional dances”? A: The local people are not good dancers. B: They are not real tribal dances. C: The dancers are not financially sponsored. D: The dancers often sell local goods.
- Are the Climate changes natural ?( A: Yes, they are B: No, they aren’t C: No, they are D: Yes, they aren't