We want to know popcorn. Can you give us some help?A. how to make B. what to make C. how m

问题补充：

We want to know popcorn. Can you give us some help?

A. how to make B. what to make C. how making

答案：

解析：句意：我想知道怎么做爆米花。你能帮助我吗？疑问词可以和动词不定时一起构成动词不定时短语；所填短语后有宾语popcorn，所以用how，不用what，故选A。