You‘d better stay here for another two days,——?hadn't youwouldn't youwon't you didn't you给出正确答案并给出理由

You‘d better stay here for another two days,——?hadn't youwouldn't youwon't you didn't you给出正确答案并给出理由
You‘d better stay here for another two days,——?
hadn't you
wouldn't you
won't you
didn't you
给出正确答案并给出理由

You‘d better stay here for another two days,——?hadn't youwouldn't youwon't you didn't you给出正确答案并给出理由
wouldn't you.因为‘d better的全写是would better