1where you go and whom you go with___ none of my business.
1where you go and whom you go with___ none of my business.
A is B are 答案是B
2How and whyJack came to China__not known. when and where to build the new library ___ not been decided.
答案 are , have
想问下此类型题目,单复如何确定呢,多谢.