they want to know ___the peple and food in japan请问填什么 a,to b,for c,

问题描述:

they want to know ___the peple and food in japan
请问填什么 a,to b,for c,

C ( know about sth. 知道关于某事, 他们想知道关于日本人和食物)

c,about;
know about:了解

c .know about 了解

C
about 关於