— do you have PE lessons?—Three times a weekA. How longB. How soonC. How many D. How ofte

问题补充：

— do you have PE lessons?

—Three times a week．

A. How long

B. How soon

C. How many

D. How often

答案：

A. How long

B. How soon

C. How many

(答案→)D. How often

解析：本题回答语表示的频率，对此提问用how often，故本题选D。