已知等差数列{a_n}的公差d≠0，它的第1、5、17项顺次成等比数列，则这个等比数列的公比等于______．

句型转换。

1. Remember to clean the door.(改为同义句)

    ______ ______ to clean the door.

2.I need some help.(改为一般疑问句)

   ______ you______ ______ help?

3.I like to wash the plates because it's relaxing. (对画线部分提问)

     ______  ______ you ______to wash the plates?

4. Can you lend your pen to me?(改为同义句)

     Can ______ your pen?

5. —I think watching TV is boring.

     —So do I.(改为同义句)

   ______ ______ ______ ______