I parked my car right under the big tree, but now it's gone. Where ____ it be?

A. may B. could C. will D. must
为什么？
may不是也可以表示推测吗？如果用will,它会去哪儿 不是也通的吗？

I parked my car right under the big tree, but now it's gone. Where ____ it be? I parked it over there I go to school ____ my mother's car. I found him to wash my car这句话对吗 i m in love with my car中文歌词 Oh！My car！ i missed the lecture because my car was _ in the traffic jam. what annoys me is that tommorrow__the third time I __take my car in to be repaired. on my present salary, i just can't afford such a car(as) you drive. This morning I took my car to the garage to have them check the air-conditioner.