－do you go to the city park? －Usually by bike.A. HowsB. HowC. WhatsD. What

问题补充：

－do you go to the city park?

－Usually by bike.

A. Hows

B. How

C. Whats

D. What

答案：

A. Hows

(答案→)B. How

C. Whats

D. What

解析：根据答语by bike可知，上句应该是问方式的，故应该排除CD；又因为题干中已经有助动词do了，故不应该再用be动词，所以本题选B。