Question

9. — do I have to pay for the shoes?

—For only $15 each pair.

   A. How often   B. How many

   C. How much   D. How long

Answer 1

9. C考査疑问词。根据答语判断问句提问 价格，用how much。how often提问“多久 一次”；how many提问可数名词数量“多 少”；how long提问时间或物体“多久；多长”。