1．My father doesn't like playing tennis. (变为肯定句)
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2．I think tennis is very interesting. (就划线部分提问)
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3．Tim has a gold watch. (变为一般疑问句)
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4．I play sports every morning. (变为否定句)
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5．There are old bikes under the tree. (变为单数句)
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1. My father doesn't like playing tennis. (变为肯定句)
    My father _____ _____ tennis.
2. I think tennis is very interesting. (对画线部分提问) 
   _____ _____ do you think is very interesting?
3. Tim has a gold watch. (一般疑问句) 
   _____ Tim _____ a gold watch?
4. I play sports every morning. (否定句)
    I _____ _____ sports every morning?
5. Kate does her homework in the evening. (一般疑问句)
   _____ Kate _____ her homework in the evening?