句型转换。

1. The blue sweater is nine dollars.(对画线部分提问)

   _______ _______is the blue sweater?

2. He wants a bag.(对画线部分提问)

   _______ _______he_______?

3. We can afford the skirts.(改为一般疑问句)

   _______ _______afford the skirts?

4. How much is the book?(改为同义句)

   _______ _______ _______of the book?

5. We sell pants for only 35 yuan.(改为一般疑问句)

   _______ _______ _______pants for only 35 yuan?