句型转换。

1. Mike likes penguins. (改成一般疑问句)

  ______ Mike ______ penguins?

2. Tom likes Sundays because he likes watching TV. (对划线部分提问)

  ______ ______ Tom ______ Sundays?

3. Pandas are from China. (对划线部分提问)

  ______ ______ pandas ______?

4. This is a leaf. (改成复数句)

  ______ ______ some ______.

5. The koala is two years old. (对划线部分提问)

  ______ ______ is the koala?