Can you teach me how ?A. danceB. dancingC. to danceD. dances

问题补充：

Can you teach me how ?

A. dance

B. dancing

C. to dance

D. dances

答案：

A. dance

B. dancing

(答案→)C. to dance

D. dances

解析：疑问词how可以跟动词不定式to do代替从句，故本题选C。